A) bland B) wrinkled C) rough D) smooth
A) messy B) different C) usual D) odd
A) to divide B) to mix together C) to keep separated D) to make bigger
A) to separate things B) to glue things together C) to stay away from everything D) to stick to something closely
A) slippery B) dry C) moist D) cold
A) made objects look smaller B) made objects shrink C) caused objects to appear larger D) showed objects as they are
A) nurse B) lawyer C) scientist D) waiter
A) becomes part of a liquid B) rinses with warm water C) separates two things D) dries out
A) you can see condensation, but not evaporation. B) condensation only occurs in the clouds. C) you can see evaporation, but not condensation. D) you can only see condensation occur occasionally.
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 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 vapor moves invisibly through the air. C) Water evaporates from puddles, ponds, plants, trees, and so on. D) Water vapor condenses on surfaces. |