Showing Results for compare with same denominators 2 : Page 28

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The purpose of this science fair project is to build a basic radio.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project idea explores the egg's thin membrane.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.