Showing Results for two digit using : Page 9

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.

This science project allows students to study the psychology of happiness.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Demonstrate how to tell the age of an egg without having to crack it open.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

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

Help your child celebrate the summer and the sun by making a sandy seascape.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!