Showing Results for simple machines : Page 13

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Slip some science into storm watching with a homemade rain gauge!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Find out whether matte or shiny nail polish lasts longer.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Free science fair project idea examining how different types of water affect plant germination and growth.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).