# Physical Science for Kids

Introduce kids to the wonders of physical science with these engaging classroom resources for middle and elementary school learners.
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VIDEO: What is Matter?
The chair you’re sitting in, the orange juice you may have had for breakfast, and you—all these things have something in common: they’re all examples of matter. Most of the matter you see every day comes in one of three forms: solid (like grains of sand), liquid (like water), or gas (like the air that helps a kite stay aloft). Watch more!
The complexity of atoms is made super simple in this unit, which traces them from their smallest components, through how they become elements.
Magnetism | Kids Discover Online
Sea turtles and salmon swim hundreds of miles to go home to breed. These animals have cells containing small levels of magnetite, meaning they’re sensitive to Earth’s magnetic field. They use this sensitivity like a built-in GPS. Read more here!
Force and Motion | Kids Discover Online
People on this ride feel pushed outward because the engineers who designed the ride used something called centripetal force. This force is what keeps the seats moving along a circular path. Learn more here 💨
Lasers and Other High-Tech Uses of Light
Turn on a laser, and a tiny, powerful beam shoots out in a straight line. In addition to medical procedures such as eye surgery, lasers can show how straight a tunnel is, measure how far the ground moves in an earthquake, and much more. Watch now!
NEW VIDEO: Move It!
A force is a push or a pull. If a force is strong enough, it can cause an object to move. We use and react to forces all the time. Learn more in our latest video!
Magnetism | Kids Discover Online
Sea turtles and salmon swim hundreds of miles to go home to breed. These animals have cells containing small levels of magnetite, meaning they’re sensitive to Earth’s magnetic field. They use this sensitivity like a built-in GPS. Read more here!
Force and Motion | Kids Discover Online
People on this ride feel pushed outward because the engineers who designed the ride used something called centripetal force. This force is what keeps the seats moving along a circular path. Learn more here 💨
Gravity | Kids Discover Online
Suppose a 100-pound person wanted to hop around the solar system. The person’s weight would be different on the sun and all the planets due to differences in gravity. Learn more here 🌞 🌍 🪐
Chemistry Superstars | Kids Discover Online
Marie Curie was born On This Day in 1867 in Warsaw, Poland. She was the first woman to win a Nobel Prize, alongside her husband, for her study of spontaneous radiation in 1903. Less than a decade later, she also became the first person to win a second Nobel Prize for her work in radioactivity in 1911. Read more ⚛️
VIDEO: The Elements
⚛️ Each kind of atom is an element. Carbon, oxygen, and iron are three of over one hundred elements. The atoms of different elements differ in the number of protons and electrons they have! Watch now to learn more.
Our Own Giant Magnet | Kids Discover Online
Did You Know Earth’s magnetic field is called the magnetosphere? It reaches deep into space and protects us from the sun’s harmful charged particles. The size of the magnetosphere changes as Earth rotates. Read more here!
Electricity from the Power Plant to You
The North American power grid is often called the world’s biggest machine. It delivers electric power to nearly 335 million people in the U.S., Canada, and northern Mexico. Watch now to learn more!
Chemistry in Nature | Kids Discover Online
Did You Know some species of spiders release a pheromone like one that moths make? If a moth follows the pheromone, it finds not a mate but a sticky web. Learn more here!
VIDEO: Earth’s Gravity
There’s almost nothing on Earth that’s not connected to gravity in one way or another. Even body weight is related to gravity! Watch now to learn more.
Electrical Energy and the Human Body | Kids Discover Online
In 1924, German psychiatrist Hans Berger pasted two small pieces of silver foil to his 15-year-old son’s scalp. He connected wires from the foil to a galvanometer, which measures an electrical current, making the precursor to an EEG. Read more here!
Light and Heat Energy
The Sun transmits energy to us in the form of light and heat. But what exactly are light and heat, and what can they do? Learn more in our 'Light and Heat Energy' video! Watch now.
Sound and Vibration | Kids Discover Online
#DYK when an object moves at the speed of sound, it is said to be traveling at âMach 1â? This can have some interesting effects. For example, when a jet surpasses the speed of sound, it can sound like a clap of thunder or cause a vapor cone in humid weather. Learn more!
Simple Machines | Kids Discover Online
Teach students about the lever, wheel and axle, pulley, screw, wedge, and inclined plane with this downloadable lesson sheet on simple machines.
Potential vs. Kinetic Energy | Kids Discover Online
Scientists define energy as the ability to get work done. This lesson free sheet explains the two states for which all energy exists: potential and kinetic.
The Binary Code of Body and Spirit: Computing Pioneer Alan Turing on Mortality
The Binary Code of Body and Spirit: Computing Pioneer Alan Turing on Mortality
Infopacket: Force and Motion | Kids Discover Online
This 8-page packet is all about the laws of force and motion, and includes color photographs and a 5-question assessment.
Chemistry Superstars | Kids Discover Online
Chemistry Superstars | Kids Discover | As a college student in Paris, France, Curie experimented with uranium, which she found gave off particles and rays of high energy. She called these effects radioactivity. Curie won the Nobel Prize in Physics in 1903. She was the first woman to win a Nobel Prize. She was also the first person to win two Nobels. In 1911 she won her second, for discovering the radioactive elements radium and polonium.
Chemistry Superstars | Kids Discover Online
Chemistry Superstars | Kids Discover | Linus Pauling studied how atoms bond to make molecules. He showed that the bonds in molecules affect their structure and how they act. He won the Nobel Prize in Chemistry in 1954. Pauling also found that sickle cell anemia, a disease, is caused by a change in a molecule’s structure.
Carbon, Hydrogen, Oxygen, and Nitrogen | Kids Discover Online
Four elements make up most living things -- including you! The elements are carbon, hydrogen, oxygen, and nitrogen. Download this free lesson sheet and help give kids an
Chemistry Superstars | Kids Discover Online
Chemistry Superstars | Kids Discover | Dmitri Mendeleev created the first Periodic Table of Elements. He based it on experiments others had done on elements. Mendeleev saw similarities and differences among elements. He designed the chart by grouping elements with similarities into columns. Since his time, other scientists have discovered more elements.
What are Molecules?
What are Molecules?
Funtastic Unit Studies: Science Unit Studies for Homeschoolers
Funtastic Unit Studies: Science Unit Studies for Homeschoolers
Chemistry Superstars | Kids Discover Online
Chemistry Superstars | Kids Discover | John Joseph (J. J.) Thomsonexperimented with electricityin a glass tube. The air was removed and pieces of metal (electrodes) were at each end. When he put electricity in the tube, a ray of light went from one metal piece to the other.