Showing Results for three digit and two step word problems : Page 33

Determine whether the application of Febreeze will lower the bacterial count.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Test out various brands of permanent markers to see which one is least water soluble.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project idea determines what household items are good conductors of electricity.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

This project examines how temperature affects the volume of gas in balloons.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.