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

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.