Showing Results for three digit and two step word problems : Page 3

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

This science fair project idea explores how length affects the weight a bridge can hold.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

Is your child a young ornithologist in the making?

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Will male or female hair grow faster? Find out in this science fair project idea!

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates how the shape of an object affects drag.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.