Showing Results for three digit and two step word problems : Page 8

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Make a lei and bring a touch of the tropical lifestyle into your home!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Make edible amber fossils with your second grader to explore the fascinating world of science!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!