2nd - 5th Grade Science Activities : Page 13

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This biodiversity project examines the biodiversity in your own backyard.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

This science fair project idea provides evidence that air is everywhere and takes up space.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea investigates the difference in reaction times between boys and girls.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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.

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project idea examines whether boys and girls differ in reflexes.

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