{"id":4504,"date":"2025-06-11T13:33:15","date_gmt":"2025-06-11T13:33:15","guid":{"rendered":"https:\/\/schools.jove.com\/?p=4504"},"modified":"2026-07-23T16:47:03","modified_gmt":"2026-07-23T16:47:03","slug":"metric-system-and-si-units-science-learning-made-simple","status":"publish","type":"post","link":"https:\/\/schools.jove.com\/metric-system-and-si-units-science-learning-made-simple\/","title":{"rendered":"Understanding the Metric System and SI Units in Science"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4504\" class=\"elementor elementor-4504\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef3dc91 e-flex e-con-boxed e-con e-parent\" data-id=\"ef3dc91\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-081d7dd elementor-widget elementor-widget-heading\" data-id=\"081d7dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Understanding the Metric System and SI Units in Science\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7090152 e-flex e-con-boxed e-con e-parent\" data-id=\"7090152\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44ee0c2 elementor-widget elementor-widget-text-editor\" data-id=\"44ee0c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4><b>Why Scientists Around the World Use the Metric System<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">In 1999, NASA lost a $125 million Mars Climate Orbiter due to a unit mismatch\u2014engineers used pounds instead of newtons. This high-profile error shows the importance of using a consistent, standardized measurement system in science.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That\u2019s where the <\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/18777\/metric-system-and-si-units\"><span style=\"font-weight: 400;\">metric system<\/span><\/a><span style=\"font-weight: 400;\"> in science plays a vital role. The metric system, along with SI units in science (International System of Units), provides a globally accepted framework for accurate and consistent measurement.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">From measuring planetary distances in kilometers to examining bacteria in micrometers, these units support scientific accuracy and international collaboration. <\/span><a href=\"https:\/\/www.jove.com\/schools\/science-video\/\"><span style=\"font-weight: 400;\">JoVE videos<\/span><\/a><span style=\"font-weight: 400;\"> reinforce this concept by showing real-world lab scenarios where scientists apply these standards to ensure clarity and precision in experiments.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e308475 e-flex e-con-boxed e-con e-parent\" data-id=\"e308475\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d91503 elementor-widget elementor-widget-heading\" data-id=\"6d91503\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Are SI Units and How Do They Work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8aa59f e-flex e-con-boxed e-con e-parent\" data-id=\"f8aa59f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e1dcc5 elementor-widget elementor-widget-text-editor\" data-id=\"1e1dcc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The SI system is built on multiples of 10, which makes metric conversion simple and scalable across different contexts. Examples include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 meter = 100 centimeters<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 kilogram = 1,000 grams<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 liter = 1,000 milliliters<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The seven base units are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Meter (m):<\/b><span style=\"font-weight: 400;\"> length<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kilogram (kg):<\/b><span style=\"font-weight: 400;\"> mass<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Second (s):<\/b><span style=\"font-weight: 400;\"> time<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kelvin (K):<\/b><span style=\"font-weight: 400;\"> temperature<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ampere (A):<\/b><span style=\"font-weight: 400;\"> electric current<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Mole (mol):<\/b><span style=\"font-weight: 400;\"> amount of substance<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Candela (cd):<\/b><span style=\"font-weight: 400;\"> luminous intensity<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\ud83d\udd2c These units are used daily in scientific experiments and engineering labs.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">\ud83c\udfa5 <\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/18777\/metric-system-and-si-units\"><span style=\"font-weight: 400;\">JoVE\u2019s video on metric-system and SI units<\/span><\/a><span style=\"font-weight: 400;\"> demonstrate these measurements in action using rulers, graduated cylinders, thermometers, and balances\u2014making abstract units tangible for students.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\ud83d\udc49<\/span><a href=\"https:\/\/www.jove.com\/schools\/solutions\/middle-school\/\"><span style=\"font-weight: 400;\"> Explore JoVE\u2019s Middle School Science Videos<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cff0c4e e-flex e-con-boxed e-con e-parent\" data-id=\"cff0c4e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9673be1 elementor-widget elementor-widget-heading\" data-id=\"9673be1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">NGSS in Action: Measurement and Communication\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f94ac6e e-flex e-con-boxed e-con e-parent\" data-id=\"f94ac6e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc6cc85 elementor-widget elementor-widget-text-editor\" data-id=\"bc6cc85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The<\/span><a href=\"https:\/\/www.nextgenscience.org\/\"><span style=\"font-weight: 400;\"> Next Generation Science Standards <\/span><\/a><span style=\"font-weight: 400;\">(NGSS) promote Science and Engineering Practices (SEPs) like Obtaining, Evaluating, and Communicating Information. This means students must not only take measurements but understand and explain what they mean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here are two real-world classroom activities aligned with these practices:<\/span><\/p>\n<h3><b>Activity 1: Measuring the World<\/b><\/h3>\n<p><b>Goal:<\/b><span style=\"font-weight: 400;\"> Understand the global importance of SI units<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b>What to Do:<\/b><span style=\"font-weight: 400;\"> Have students research how scientists use SI units in real-world contexts:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Space travel: kilometers<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Microscopy: micrometers<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Medicine: milliliters or milligrams<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li>\n<\/ul>\n<p><b>What You\u2019ll Observe:<\/b><span style=\"font-weight: 400;\"> Students will find examples of measurement used in different scientific fields and report how using SI units avoids costly or dangerous mistakes.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b>Why It Matters:<\/b><span style=\"font-weight: 400;\"> This reinforces why scientists use the metric system and how consistent measurement supports international collaboration.<\/span><\/p>\n<h3><b>Activity 2: Metric Conversion Challenge<\/b><\/h3>\n<p><b>Goal:<\/b><span style=\"font-weight: 400;\"> Practice converting metric values with confidence<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b>What to Do:<\/b><span style=\"font-weight: 400;\"> Give students a set of values (e.g., 3.2 kg \u2192 g, 250 mL \u2192 L) and walk through the conversion using a place-value strategy.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b>What You\u2019ll Observe:<\/b><span style=\"font-weight: 400;\"> Students will build fluency in metric conversion, noticing patterns based on place value.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b>Why It Matters:<\/b><span style=\"font-weight: 400;\"> Helps students develop quantitative reasoning\u2014a core component of NGSS\u2014and ties directly into understanding the scientific measurement system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\ud83c\udfa5 JoVE videos can accompany both activities to visually reinforce procedures like<\/span><a href=\"https:\/\/www.jove.com\/v\/5026\/learning-concentration-measuring-volumes-and-serial-dilutions\"><span style=\"font-weight: 400;\"> measuring liquids<\/span><\/a><span style=\"font-weight: 400;\"> or<\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/12647\/mass-and-weight\"><span style=\"font-weight: 400;\"> weighing objects.<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee70e7c e-flex e-con-boxed e-con e-parent\" data-id=\"ee70e7c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e597c3 elementor-widget elementor-widget-heading\" data-id=\"3e597c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Crosscutting Concept: Scale, Proportion, and Quantity\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3de4456 e-flex e-con-boxed e-con e-parent\" data-id=\"3de4456\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-94061c7 elementor-widget elementor-widget-text-editor\" data-id=\"94061c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">NGSS also highlights Crosscutting Concepts (CCCs) that help students connect scientific ideas across domains. One of the most relevant in measurement is Scale, Proportion, and Quantity.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The metric system in science is ideal for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Describing size and scale, from cells to solar systems<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ensuring accuracy in lab measurements<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Preventing dangerous or costly unit conversion errors<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<\/ul>\n<h3><b>Examples Students Can Explore:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Micrometers<\/b><span style=\"font-weight: 400;\"> to study bacteria<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kiloliters<\/b><span style=\"font-weight: 400;\"> for measuring water tanks or pools<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Grams<\/b><span style=\"font-weight: 400;\"> for sugar packets<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kilograms<\/b><span style=\"font-weight: 400;\"> for comparing body weight or packaging mass<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\ud83d\udccf When students understand that a small error in scale (like switching grams for kilograms) could lead to serious mistakes, they grasp the importance of real-world applications of SI units in science and engineering.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4a8fb89 e-flex e-con-boxed e-con e-parent\" data-id=\"4a8fb89\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28f2f9c elementor-widget elementor-widget-heading\" data-id=\"28f2f9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">JoVE Helps Students Visualize Measurement Concepts<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f9d1ab e-flex e-con-boxed e-con e-parent\" data-id=\"5f9d1ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29d3b0c elementor-widget elementor-widget-text-editor\" data-id=\"29d3b0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.jove.com\/schools\/\"><span style=\"font-weight: 400;\">JoVE\u2019s platform <\/span><\/a><span style=\"font-weight: 400;\">makes it easy for teachers to<\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/18777\/metric-system-and-si-units\"> <b>teach SI units<\/b><\/a><b> in <\/b><a href=\"https:\/\/www.jove.com\/schools\/solutions\/middle-school\/\"><b>middle school<\/b><\/a><span style=\"font-weight: 400;\"> using interactive, video-based instruction. JoVE provides:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u2705 Animations of SI units used across <\/span><a href=\"https:\/\/www.jove.com\/science-education\/jovecore\"><span style=\"font-weight: 400;\">biology<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/www.jove.com\/science-education\/corechem\"><span style=\"font-weight: 400;\"> chemistry, <\/span><\/a><span style=\"font-weight: 400;\">and <\/span><a href=\"https:\/\/www.jove.com\/science-education\/corephysics\"><span style=\"font-weight: 400;\">physics<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/a><span style=\"font-weight: 400;\">\u2705<\/span><a href=\"https:\/\/www.jove.com\/schools\/science-video\/lab-activities\/\"><span style=\"font-weight: 400;\"> Lab demonstrations <\/span><\/a><span style=\"font-weight: 400;\">with tools like balances, rulers, and cylinders<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">\u2705 Built-in quizzes to assess understanding and retention<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\ud83d\udcca A JoVE study showed students using its videos improved post-assessment performance by up to 100% compared to those using only handouts.<\/span><\/p>\n<p><a href=\"https:\/\/20267955.fs1.hubspotusercontent-na1.net\/hubfs\/20267955\/JoVE%20Video%20Efficacy%20Study%20Report%20by%20TERC%202018%20Short.pdf\"><span style=\"font-weight: 400;\">\u00a0See JoVE\u2019s Impact on Concept Retention<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8203760 e-flex e-con-boxed e-con e-parent\" data-id=\"8203760\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4ce115 elementor-widget elementor-widget-heading\" data-id=\"a4ce115\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion: The Metric System Is the Language of Science\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8d199c3 e-flex e-con-boxed e-con e-parent\" data-id=\"8d199c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17af355 elementor-widget elementor-widget-text-editor\" data-id=\"17af355\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Whether measuring mass in grams or distance in kilometers, the metric system in science is essential to global communication and scientific accuracy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">By using <\/span><a href=\"https:\/\/www.jove.com\/schools\/science-video\/curriculum-alignment\/\"><span style=\"font-weight: 400;\">JoVE\u2019s curriculum-aligned visual learning tools<\/span><\/a><span style=\"font-weight: 400;\"> and interactive strategies, educators can help students:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Master metric conversion<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Apply SI units in science with confidence<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Connect classroom lessons to the real-world applications of SI units<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\ud83c\udf93 Ready to help your students speak the universal language of science?<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\"> \ud83d\udc49 <\/span><a href=\"https:\/\/share.hsforms.com\/1FyaUdqz3T3yuF-IuUZXDfwc2eur\"><b>Book a Demo<\/b><\/a><span style=\"font-weight: 400;\"> to access JoVE\u2019s full library of measurement-based STEM resources \u2014 no prep required.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bring JoVE to your classroom starting <\/span><span style=\"font-weight: 400;\">as low as<\/span><span style=\"font-weight: 400;\"> $2 per student.*<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Explore <\/span><a href=\"https:\/\/20267955.fs1.hubspotusercontent-na1.net\/hubfs\/20267955\/K12%20Schools\/K12%20Funding%20Resources%20Flyer_2025.pdf\"><span style=\"font-weight: 400;\">funding resources <\/span><\/a><span style=\"font-weight: 400;\">\u00a0to learn how your school can start using JoVE\u2019s complete STEM video library today.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">*Pricing based on 1,500 students.<\/span><\/i><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Understanding the Metric System and SI Units in Science Why Scientists Around the World Use the Metric System In 1999, 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