Showing Results for three digit and two step word problems : Page 7

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This project investigates the affect of storage temperature on microwave popcorn.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this experiment we will be determining whether birds prefer certain colors of seed.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project investigates why the number of visible stars changes from place to place.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This science fair project idea produces varying pitches of sound.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.