Observe different forces at work with this kindergarten and first-grade worksheet!

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!