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

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

How many machines can you find around the house? You may find them where you least expect it!

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

What is wind energy? Teach your students how we can use the wind to create electricity!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

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

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

Use this worksheet to help teach your preschooler what everyday things use electricity to function.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.