2nd Grade Applied Science Resources

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.