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