2nd and 3rd Grade Science Activities : Page 4

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Using a toy race car kids create a visual model of the Doppler Effect.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

How powerful is the reaction between baking soda and vinegar? Find out here!

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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