2nd and 3rd Grade Science Activities : Page 7

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This project determines what category of person is most likely to be ticklish.

Discover whether a metal will expand under hot water.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea compares biodiversity between drops of water.

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

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

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

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?

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.

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.

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.

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!