Showing Results for addition practice : Page 2

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This project determines what category of person is most likely to be ticklish.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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?

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.