A) wrinkled
B) smooth
C) rough
D) bland

A) odd
B) messy
C) different
D) usual

A) to make bigger
B) to mix together
C) to keep separated
D) to divide

A) to glue things together
B) to stay away from everything
C) to separate things
D) to stick to something closely

A) slippery
B) cold
C) moist
D) dry

A) caused objects to appear larger
B) showed objects as they are
C) made objects shrink
D) made objects look smaller

A) lawyer
B) nurse
C) scientist
D) waiter

A) separates two things
B) dries out
C) becomes part of a liquid
D) rinses with warm water

A) you can only see condensation occur occasionally.
B) you can see condensation, but not evaporation.
C) you can see evaporation, but not condensation.
D) condensation only occurs in the clouds.

A) evaporation of water
B) the clinging together of raindrops
C) water molecules accumulate on surfaces
D) the clinging together of molecules

A) Snowflakes form in the same way, but produce many designs.
B) Snowflakes form in different ways, and produce one design.
C) Snowflakes always look the same.
D) Snowflakes form in different ways, and produce many designs.

A) the color violet
B) all the colors of the rainbow
C) nothing
D) the color red

A) Water vapor moves invisibly through the air.
B) Water vapor condenses on surfaces.
C) Water falls from the sky as rain.
D) Water evaporates from puddles, ponds, plants, trees, and so on.