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