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