Showing Results for compare with same denominators 2 : Page 21

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

The project researches how lubricants affect the mechanical advantage of a pulley.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This experiment explores how listening in to a one-sided conversation affects concentration.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This science fair project idea explores the fastest average speed a human can talk.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Teach your child how butter is created by shaking up cream the old-fashioned way.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.