Showing Results for adding mixed number like denominators : Page 50

This science fair project demonstrates the "power of conformity".

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this design challenge, your child will make a bottle rocket using typical household items.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This science experiment tests if dog saliva can really help heal wounds.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.