Complete this simple and engaging exercise about the planet Mars by reading the information and labeling Mars' layers using what you've learned.

Wondering how to explain photosynthesis to a kindergartener? Here is a worksheet that explains how plants grow through a simple picture.

Sometimes your senses can play tricks on you. Experiment with your sense of taste and your sense of smell with this simple experiment!

There's no better way to get your child thinking about the weather than by having them write about it. Kids write a sentence about the weather in each picture.

The Goliath birdeater is a spider that lives in South America. Your child will read a paragraph about spider before writing an opinion sentence.

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

Would you put your swimsuit on when it's snowing outside? Let your child decide with this simple categorization worksheet

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

In this worksheet, children identify and illustrate four things all plants need to grow. They then answer three simple research questions about plants.

Start from water cycle precipitation from clouds and match parts of the cycle to this clear colorful image of a simple water cycle, using the helpful paragraph.

Take a peek inside the human eye with this eye-catching worksheet! See a simple eye diagram and learn vocabulary words that will help your kid understand sight.

Your child can make her own sun mosaic out of simple materials you most likely have lying around the house, such as tissue paper and construction paper.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Learn step by step how to create a report! Research facts about camels, complete the sentences, then use the sentences to create a report about camels.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

In this science vocabulary worksheet, kids will look at the labeled diagram of the monarch butterfly and then use what they have learned to finish the sentences.

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.

Children get a mini lesson in writing and the weather with this coloring worksheet.

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

Get your kindergartener started on Earth science with a lesson on the seasons. Kids write the name of each season under the correct picture.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

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.

Calling all mad scientists... Electrify your enthusiasm for science! This awesome worksheet will show you step-by-step how to make an electromagnet.

Observe different forces at work with this kindergarten and first-grade worksheet!

You can find rocks almost anywhere, but there's a lot more to rocks than meets the eye. Check out this science worksheet to learn all about rock formations.

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

With this science experiment, kids can get hands-on planting beans and watching them grow. All you need are beans and some household items to grow a bean plant!

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

This Awesome Anatomy coloring page shows how blood circulates through your body.