Showing Results for two digit using place value : Page 14

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

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

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.

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.

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.

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

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.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Determine which video game elevates the heart rate best and burns the most calories.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project teaches students about wilting and browning of salad greens.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Use a dichotomous key to identify plants or animals.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.