5th - 7th Grade Science Activities : Page 2

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Check out this cool science fair project on identifying rocks and minerals for kids.

Discover how and which salt melts ice the quickest.

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.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This experiment will evaluate if chewing gum affects students' test performance.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project idea investigates how magnetism can defy the force of gravity.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

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.

Find out which type of sponge holds the most water.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this fun experiment, we'll find out how color affects heat absorption!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.