3rd and 4th Grade Science Resources : Page 25

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Try this chemistry experiment with your curious kid and get some "shocking" results!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Is your child a young ornithologist in the making?

This science fair project idea explores whether white light can be separated into different colors.

I scream, you scream, we all scream for homemade spearmint ice cream!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.