Preschool - 5th Grade Science Activities : Page 15

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea determines which method of hand cleansing is the most effective.

This science experiment tests if dog saliva can really help heal wounds.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Make this easy composting dessert and then enjoy the yummy results!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This easy at-home experiment is a great way to "see" science.

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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.