Showing Results for r controlled

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project idea explores which fruit molds the fastest.

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.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

To make this unique Valentine's Card, all your child will need is his creative mind, some paper, and a pencil.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This science fair project idea explores the different properties & interactions of sugar molecules.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Learn whether writing things down really makes things easier to remember.

Help your child to invent her own chore-helper to help her put that growing imagination to good use!

Here's a fun book-making project that will help your child learn to abbreviate and provide an opportunity for her to exercise her artistic abilities.

This fall-themed missing letter activity is a great way to help your child learn the alphabet, build their vocabulary and bolster letter recognition skills.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Give your child a glimpse of how another set of students approach reading by teaching him how the blind use braille.

Conduct a mock interview with the President to teach your child about politics, the president and the world she lives in.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Why not change things up a bit with this fun way of making those loop-hole bunny ears that sit at the top of his sneakers.

Help your teen show Mom how much he loves her through song ... with her very own CD!

Brighten up the life lessons with a colorful and fun reward jar!

Start your toy engines -- this is going to be a fast and friction-filled race!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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.

Here's a brain-challenging treasure hunt for your third grader, calling upon math skills with money and with decimals!

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.