A) wrinkled B) bland C) rough D) smooth
A) odd B) usual C) different D) messy
A) to divide B) to mix together C) to keep separated D) to make bigger
A) to separate things B) to stay away from everything C) to stick to something closely D) to glue things together
A) cold B) dry C) moist D) slippery
A) caused objects to appear larger B) made objects shrink C) showed objects as they are D) made objects look smaller
A) scientist B) waiter C) lawyer D) nurse
A) separates two things B) rinses with warm water C) becomes part of a liquid D) dries out
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) water molecules accumulate on surfaces B) evaporation of water C) the clinging together of raindrops D) the clinging together of molecules
A) Snowflakes form in different ways, and produce many designs. B) Snowflakes always look the same. C) Snowflakes form in different ways, and produce one design. D) Snowflakes form in the same way, but produce many designs.
A) nothing B) the color violet C) the color red D) all the colors of the rainbow
A) Water vapor moves invisibly through the air. B) Water evaporates from puddles, ponds, plants, trees, and so on. C) Water falls from the sky as rain. D) Water vapor condenses on surfaces. |