Let your fourth grader contribute to your 4th of July picnic with this creative caddy craft project.

In this science fair project, students use the streak test to tell minerals apart from each other.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Improve your child's memory, focus, and concentration with this outdoor group memory game. For 4th grade, 5th grade, and middle school age children.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Use muffin tins to create a simple, affordable and fun game to help your child practice their vocabulary!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Make physical activity fun with this 4th-5th grade fitness game that's a twist on classic Tic-Tac-Toe.

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.

Explore the world from your own home by conducting research about other cultures with your 4th grade child.

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

Help your 4th grader learn how to make a topographic map and strengthen key grade level social studies and math skills in the process.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Talk about ice cream while helping your 4th grader work on crucial punctuation skills.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Test whether plants can grow without sunlight and water.

Find out which kind of bubble wrap fares best when put in impact.

Making a freedom kite is a great way to show appreciation on Memorial Day or July 4th, and enjoy the summer sunshine with family.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Your fourth grader will get their mind working with this simple "Chanukah" anagram game. They will hone their language and spelling skills with this one!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.