Budding inventors can get a fun review of the simple machines with this word search.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

Learn a basic concepts physical science with this fun worksheet. Your little one will decide which objects sink, and which ones float!

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

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

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

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

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.

Children hone their powers of observation using this worksheet template.

Design a helmet from household objects in this engaging first- and second-grade activity!