Showing Results for three digit using place value : Page 6

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea explores whether white light can be separated into different colors.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.