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