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