Showing Results for comparing-three-digit--old : Page 14

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.