Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

Children hone their powers of observation using this worksheet template.

Did you see the announcement in 2016 about new elements added to the periodic table? Put these new periodic elements flashcards in your study toolkit.

Brush up on some physics vocabulary with this energy word search!

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

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

Lab mice have stolen information from these elements! Students must set everything back in order using the provided periodic table of elements.

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

Children put their science vocabulary to the test with this engaging crossword puzzle!

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

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Can middle-grade chemists recover the missing information about these elements from the periodic table?

Use your powers of prediction to project the future movement of playground objects!

Create your own gravity-powered roller coaster in this creative worksheet!

Unscramble key vocabulary words about energy and collisions with this engaging science worksheet!