1st - 4th Grade Science Activities : Page 10

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.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!