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