Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Explore the negative and positive consequences of stereotypes.

Slip some science into storm watching with a homemade rain gauge!

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.