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

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Let your scientific skills shine as you decide which objects will let light pass through in this kindergarten and first-grade worksheet!

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Guess how much strength is needed to pull an object in this physical science worksheet!