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