4th - 7th Grade Science Activities : Page 7

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This basketball project explores the best way to make the perfect shot every time.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea explores the egg's thin membrane.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

The purpose of this science fair project is to build a basic radio.

Discover whether cold or hot water from the faucet will boil faster on the stove.