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