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.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

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!

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.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This science research project challenges students to think of more effective lobster farming methods.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Introduce your child to science with something they see everyday--their shadow!

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

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?

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This basketball project explores the best way to make the perfect shot every time.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

I scream, you scream, we all scream for homemade spearmint ice cream!