Serena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing?
Which statement about the physical change of liquid water boiling into steam is true?
When liquid gold becomes a solid, its particles get closer together. Which best describes what happened to the gold?
Which is the property of matter in which a substance can transfer heat or electricity?
Water is made of two hydrogen atoms and one oxygen atom bonded together. Julia is describing how water undergoes a physical change when it boils. She says that the particles shift to be farther apart and that the oxygen and hydrogen separate. She also says that the total mass of the steam is the same as the initial water, and that heat energy was required to cause the change. She finishes her description by saying that the steam can be turned back into water if it is cooled.Which is the mistake in her description?
What happens when a substance undergoes a physical change?
Liquid plastic is frozen in a physical change that increases its volume. What can be known about the plastic after the change?
Which statement best compares and contrasts two physical properties of matter?
If there is 8 g of a substance before a physical change, how much will there be afterwards?
Which scenario is an example of a physical change?
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