Showing Results for three digit using place value : Page 4

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea determines which method of hand cleansing is the most effective.

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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This science fair project idea investigates how the shape of an object affects drag.

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

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Here's a pressed leaf card project that puts science and writing together for your second grader.

This science fair project idea investigates if fats add to the flavor of food.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Help your child make a beautiful homemade sandcastle that will last!

Test whether plants can grow without sunlight and water.