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