Science Activities : Page 10

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?

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea determines if the color of light affects the growth of plants.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

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

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Learn with makes water molecules work with this fun and easy science activity!

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.