This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Use pepper and soap to discover some fun facts about the properties of water.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

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.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!