Preschool - 7th Grade Science Activities : Page 17

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea investigates the difference in reaction times between boys and girls.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Help your child celebrate the summer and the sun by making a sandy seascape.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This science fair project idea demonstrates that plants give off water.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!