Showing Results for three digit using : Page 19

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

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

This project determines how much the rebound rates of tennis balls change after ten games.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

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.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Science fair project that determines how we can change potential energy into kinetic energy.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

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

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!