A) smooth B) wrinkled C) rough D) bland
A) usual B) different C) odd D) messy
A) to keep separated B) to divide C) to make bigger D) to mix together
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) dry D) moist
A) caused objects to appear larger B) showed objects as they are C) made objects look smaller D) made objects shrink
A) nurse B) waiter C) lawyer D) scientist
A) separates two things B) becomes part of a liquid C) dries out D) rinses with warm water
A) condensation only occurs in the clouds. B) you can see condensation, but not evaporation. C) you can only see condensation occur occasionally. D) you can see evaporation, but not condensation.
A) evaporation of water B) water molecules accumulate on surfaces C) the clinging together of molecules D) the clinging together of raindrops
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) nothing B) the color red C) the color violet D) all the colors of the rainbow
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. |