Showing Results for three digit and two step word problems : Page 44

This biodiversity project examines the biodiversity in your own backyard.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Explore the relationship between personality traits and birth order effects.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Learn how different types of soil affect how animal tracks form in this experiment!

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.