A student is classifying objects. Which question will provide the best evidence that an object is a metal?
A. What is its mass?
B. Is its physical state?
C. Does it conduct thermal energy?
D. How quickly does it dissolve in water?
C. Does it conduct thermal energy?
H. Salt water will become fresh water vapor.
Which statement BEST describes what happens as water changes from one state to another?
B. As water is cooled, it condenses and changes from a gas to a liquid.
B. Valley formation by moving water and valley formation by a glacier.
D. Water vapor collects to form droplets.
D. Denver
The salt will dissolve.
The water will remain clear.
A. The city is near an area of low pressure with a cold front moving toward it.
Clay, Loam, Silt, Sand, Gravel
B. Texas was once covered by a shallow sea.
A. Water vapor has become liquid water.