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