A) bland B) rough C) wrinkled D) smooth
A) usual B) messy C) different D) odd
A) to mix together B) to make bigger C) to keep separated D) to divide
A) to separate things B) to stick to something closely C) to stay away from everything D) to glue things together
A) cold B) dry C) slippery D) moist
A) made objects shrink B) made objects look smaller C) caused objects to appear larger D) showed objects as they are
A) nurse B) lawyer C) waiter D) scientist
A) rinses with warm water B) becomes part of a liquid C) dries out D) separates two things
A) condensation only occurs in the clouds. B) you can see evaporation, but not condensation. C) you can see condensation, but not evaporation. D) you can only see condensation occur occasionally.
A) water molecules accumulate on surfaces B) the clinging together of molecules C) the clinging together of raindrops D) evaporation of water
A) Snowflakes always look the same. B) Snowflakes form in different ways, and produce one design. C) Snowflakes form in the same way, but produce many designs. D) Snowflakes form in different ways, and 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. |