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