Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

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

Listen closely! Do you hear anything? Identify examples of sound energy in this kindergarten and first-grade worksheet!

Shed some light on the interactions between objects and light with this science worksheet for kindergarteners and first graders!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Learn a basic concepts physical science with this fun worksheet. Your little one will decide which objects sink, and which ones float!

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

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!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

Learn about the similarities and differences between objects in this colorful science worksheet!

Determine whether items are hot or cold in this cut-and-paste activity for kindergarteners and first graders!

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

Practice describing different objects and substances in this colorful worksheet!

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

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

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

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Practice describing, or classifying, different items by their properties in this inviting worksheet!

Listen to the sounds of everyday life in this science worksheet!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Hey, did you hear that? Explore real-life examples of sound energy with this kindergarten and first-grade worksheet!

Describe how things feel when you touch them and push on them!

Why do some objects make loud sounds when dropped, while others make quiet sounds?