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.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea investigates how the shape of an object affects drag.

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.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This activity is a fun challenge for students who have just started learning to program educational robots.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

This science fair project idea explores how length affects the weight a bridge can hold.

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.

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Learn all about balance and motion as your child designs a corn maze!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Using a toy race car kids create a visual model of the Doppler Effect.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

This science fair project teaches students about wilting and browning of salad greens.