Less than $5 For Any Grade Physical Science Centers (by date, oldest first)

Caves and caverns are exciting, mysterious and endlessly fascinating. Kids will love this puzzle set, which teaches about caves and how they are formed. And they will enjoy our exclusive photos of one of the world's most spectacular caverns.

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Includes:

• Two-Page Activity Set – Crossword puzzle with cave facts; secrets of caves match-up puzzle; cave formation color-in; and bat flight maze.
• Word Search Puzzle – Offers 40 vocabulary words related to caves and exploring them

FREE BONUSES

• Exclusive photos from our visit to Luray Caverns in Virginia, USA
• Color-in that reveals a little-known cave-dwelling animal

Physics is a challenging topic, so we've created a puzzle set that introduces basic concepts through fun, clear and engaging puzzles.

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Includes:

• Two-Page Activity Set – with key physics concepts crossword, water cycle fill in, black holes true-or-false challenge.
• Physics Words Crossword 1 – (easier) covers basic physics terms
• Physics Words Crossword 2 – (challenging) covers more advanced physics terms
• FREE BONUS Famous Physicists Crossword – (challenging) introduces children to a diverse range of people who have explored frontiers of science