Showing Results for simple machines : Page 17

This project examines the concentration of dissolved oxygen in water, with and without oil.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

This science fair project idea investigates food preference of birds.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

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

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.