Showing Results for adding mixed number like denominators : Page 80

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

On St. Patrick's Day, bond with your child over a delicious dish with potatoes as the focal point.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Celebrate Earth Day by making a poster that encourages people not to litter.

Try this goofy, first grade phonics craft that focuses on the letter "F" as in "Frog" and helps build crucial reading and spelling skills in your child.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Here's a homemade bulletin board project to help your fourth grader's school year start off right.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

A twist on the gingerbread house, this train is made with graham crackers, icing, and candy decorations. A great 2nd-3rd grade holiday arts and crafts activity.

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

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This game will help build your child's word bank as she competes with family members for the "Word of the Day" champion title.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!