Showing Results for comparing-three-digit--old : Page 4

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This experiment will explore the best way to create a perfect soft-boiled egg.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Determine whether the application of Febreeze will lower the bacterial count.

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?

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Do you think heat can affect a plant's growth rate?

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.