A) bland B) smooth C) wrinkled D) rough
A) messy B) usual C) different D) odd
A) to divide B) to keep separated C) to mix together D) to make bigger
A) to separate things B) to stay away from everything C) to glue things together D) to stick to something closely
A) slippery B) moist C) dry D) cold
A) made objects look smaller B) caused objects to appear larger C) showed objects as they are D) made objects shrink
A) scientist B) nurse C) lawyer D) waiter
A) separates two things B) becomes part of a liquid C) dries out D) rinses with warm water
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) evaporation of water B) water molecules accumulate on surfaces C) the clinging together of raindrops D) the clinging together of molecules
A) Snowflakes form in different ways, and produce one design. B) Snowflakes always look the same. C) Snowflakes form in the same way, but produce many designs. D) Snowflakes form in different ways, and produce many designs.
A) the color red B) nothing 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. |