2nd - 4th Grade Science Activities : Page 9

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This science fair project idea explores substances that cause a bubble to last longer.

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project idea explores the different properties of matter.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

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

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Make a backbone model to explore human anatomy and life science.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Do different types of oil mix or stack? Find out in this science fair project idea!