A) smooth B) wrinkled C) rough D) bland
A) different B) usual C) messy D) odd
A) to divide B) to mix together C) to make bigger D) to keep separated
A) to separate things B) to glue things together C) to stick to something closely D) to stay away from everything
A) cold B) dry C) slippery D) moist
A) made objects look smaller B) made objects shrink C) showed objects as they are D) caused objects to appear larger
A) lawyer B) nurse C) scientist D) waiter
A) separates two things B) becomes part of a liquid C) rinses with warm water D) dries out
A) you can see evaporation, but not condensation. B) condensation only occurs in the clouds. C) you can see condensation, but not evaporation. D) you can only see condensation occur occasionally.
A) the clinging together of raindrops B) evaporation of water C) the clinging together of molecules D) water molecules accumulate on surfaces
A) Snowflakes always look the same. B) Snowflakes form in the same way, but produce many designs. C) Snowflakes form in different ways, and produce many designs. D) Snowflakes form in different ways, and produce one design.
A) the color red B) all the colors of the rainbow C) nothing D) the color violet
A) Water vapor moves invisibly through the air. B) Water evaporates from puddles, ponds, plants, trees, and so on. C) Water vapor condenses on surfaces. D) Water falls from the sky as rain. |