Preschool - 5th Grade Science Activities : Page 3

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Discover how and which salt melts ice the quickest.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea examines which type of insulation holds in the most heat.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this activity, your child will be challenged to make a tower using paper cups.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This project investigates the affect of storage temperature on microwave popcorn.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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 be challenged to use simple materials to create a catapult for a small, lightweight toy.