Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

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

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Deserts might seem inhospitable to life, but there are actually plenty of animals that can live there!

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Children match animals to their ecosystems in this life sciences worksheet.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

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

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Explore grasslands and their fauna in this thought-provoking worksheet!

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

These STEM design challenge cards ask learners to build something new for a specific reason or purpose and are a great way to foster creative thinking.

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Discover the importance of butterflies in pollination with this informative worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Dive into a coral reef ecosystem with this life science worksheet!

Step into the swamp ecosystem with this engaging life science worksheet!

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

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.