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