Showing Results for add and subtract

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

This science fair project idea investigates if fats add to the flavor of food.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This experiment will explore whether adding different substances to a gel affects its strength.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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?

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

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

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Demonstrate which cooking method gets rid of the most fat.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Determine whether the relationship between a personâs armspan and height are genetic.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!