A) wrinkled B) smooth C) rough D) bland
A) odd B) usual C) messy D) different
A) to mix together B) to divide C) to make bigger D) to keep separated
A) to stay away from everything B) to separate things C) to stick to something closely D) to glue things together
A) slippery B) cold C) moist D) dry
A) caused objects to appear larger B) made objects shrink C) showed objects as they are D) made objects look smaller
A) nurse B) lawyer 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 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) water molecules accumulate on surfaces B) evaporation of water C) the clinging together of molecules D) the clinging together of raindrops
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) all the colors of the rainbow B) nothing C) the color violet D) the color red
A) Water vapor condenses on surfaces. B) Water falls from the sky as rain. C) Water vapor moves invisibly through the air. D) Water evaporates from puddles, ponds, plants, trees, and so on. |