Showing Results for adding mixed number like denominators : Page 31

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

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!

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea tests the efficiency of short term memory.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

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.