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