How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Help students deepen their understanding of matter with this chemisty worksheet!

Help your kindergarten students learn about sequencing and science as they learn about the five stages in a ladybugs life.

Investigate the practice of deforestation in a real-world context with this two-page environmental science worksheet.

How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Practice geology vocabulary with this challenging crossword puzzle.

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

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

What a wonderful world word search! See if you can find all 10 of the Earth-related terms in the word search.

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

Does your little scientist know the water cycle? Challenge her with this cut and paste activity where she'll label each part of this water cycle!

Plant a paper flower garden with this fun sorting activity! Children color the flowers, then cut them out and sort them by type.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

Use this worksheet to make a hammerhead shark headband to wear!

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

Label the parts of a butterfly in this butterfly diagram worksheet!

Introduce students to the first step of the engineering design process with this helpful graphic organizer! 

This Awesome Anatomy coloring page is all about the human eye, and makes a handy study tool as well!

Learn all about hurricanes in this earth science Q&A.

This Earth maze features a cool globe design. Perfect as an Earth Day activity, our Earth maze gets your child to consider our home planet.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

This thermometer worksheet gives your child practice reading and using a thermometer. Try this thermometer and temperature worksheet with your child.

Children will plan our their STEM design, reflect on the process of building their creation, and brainstorm ways they could make their design even better.

Got a little animal lover on your hands? Let him spend some time with his furry friends with this fun animal crossword puzzle.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Which of these animals does not belong? Explore the plants and animals of the desert, and choose which ones are in their right habitat.

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.