4th - 7th Grade Science Resources : Page 12

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science experiment tests if dog saliva can really help heal wounds.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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.

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

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.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

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

This science fair project idea determines the most effective method of preserving food.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!