4th - 8th Grade Science Activities : Page 6

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

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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.

This science fair project idea determines the most effective method of preserving food.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

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.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea produces varying pitches of sound.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

In this experiment you will replicate the mummification process by making a hot dog mummy.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project idea identifies trees using a dichotomous key.