Showing Results for all about double digit : Page 12

Is it a square or a circle? See if you can trick your friends with this zany science project!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Explore convex and concave objects and how they reflect light.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This science research project challenges students to think of more effective lobster farming methods.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.