Showing Results for two digit using place value : Page 24

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Construct batteries that make electricity from fruits with this fun science fair project.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Examine whether males or females are more likely to have a higher center of gravity.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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 fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project idea explores the egg's thin membrane.