With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

Illustrate each season with this engaging first- and second-grade weather worksheet!

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

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

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

Explore the applications of electrical energy with this helpful second-grade worksheet!

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

Use your powers of prediction to project the future movement of playground objects!

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Gear up to go into the science lab with the help of this activity!

Learn about the science behind one of nature's most awesome spectacles: monsoons.

Discover different types of energy with this third- and fourth-grade science worksheet!