Kevin and His Mother Are Playing with a Squeaky Toy

question 180

Multiple Choice

Kevin and his mother are playing with a squeaky toy. Kevin's mother squeezes the toy in front of him and then hides it under a blanket. Kevin has fun finding the toy under the blanket and then giving it back to his mother. After several rounds of this game, Kevin's mother hides the toy behind a pillow instead of under the blanket. Rather than looking behind the pillow, however, Kevin lifts the blanket to look for the toy. What age is Kevin MOST likely to be?

• A) 7 months
• B) 9 months
• C) 13 months
• D) 15 months

---

Definitions:

Minerals

Naturally occurring, inorganic solids with a definite chemical composition and a crystalline structure, found in rocks and the Earth's crust.

Quartz

A hard, crystalline mineral composed of silicon and oxygen atoms, widely used in jewelry and electronics.

Halite

Also known as rock salt, a mineral form of sodium chloride (NaCl) that often occurs in evaporite deposits.

Crystal

A solid material whose atoms are arranged in highly ordered, repeating patterns extending in all three spatial dimensions.