Kindergarten - 4th Grade Science Activities : Page 28

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Construct and experiment with a periscope using reflected light rays to gather an image.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Learn whether writing things down really makes things easier to remember.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Determine if gender affects the ability to identify different smells.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.