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