Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

Kids need lots of things to grow up healthy and strong, and plants do, too! Can your child think of things a plant needs to grow?

Discover the function and parts of the human skeleton with this introductory diagram.

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Did you know that insects like dragonflies have life cycles that are very similar to our own? Help your little scientist get to know the circle of life.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Take a plunge under the surface of the earth! With this worksheet as your guide, you may explore the geological processes of our planet.

Do you ever see shapes in the stars at night? In ancient times, people named these shapes, and now we know them today as constellations!

Learn the scientific names of this popular flower and its partner, the grasshopper, with this fun coloring sheet!

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

Before trees grow into trees, they start out as little seeds. Can your child match the fruit and seeds with the trees (or plants) they came from?

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

Children put their science vocabulary to the test with this engaging crossword puzzle!

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Little biologists will use this respiratory system diagram to identify the most important parts of the human respiratory system and their functions.

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Get to know Earth's star with with this diagram and vocabulary worksheet!

Use these STEM design challenges to foster creativity and critical thinking skills in young learners while introducing them to the engineering process.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Children get an introduction to plate tectonics in this geology worksheet.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Dig in to the layers of the earth with this science coloring page!