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

Dot-to-dots are always fun, but this one sneaks in a fact about trees and fall for that extra bit of science learning.

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

Explore elements and compounds in the context of particle models and chemical formulas!

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!

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

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

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

Explore and classify matter using particle models with this chemisty worksheet!

This is one angry looking constellation! Meet Taurus, one of the twelve constellations of the zodiac.

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!

In this puzzle, children will trace the names of the seasons, then cut them out and paste them below the correct picture.

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

This two-page physical science worksheet gives middle school students an opportunity to explore and compare characteristics of waves.

How do trunks, claws, and flippers help animals? Discover how animals use different parts of their body to meet their needs in this kindergarten and first-grade life science worksheet!

What does a dog eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

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

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

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

We use our ears to hear, mouth to taste, eyes to see, hands to touch and nose to smell, match pictures to the corresponding sense on this cute worksheet.

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

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Connect the dots from 1 to 30 to reveal Styracosaurus's mighty horns.

Help your child learn about one of the most elementary elements, gold.

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

This angelic constellation is Virgo, one of the twelve special symbols of the zodiac.