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