PS01B Pre-Quiz - Matter and Changes

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________ has mass and volume.
1. color
2. space
3. matter
4. smell
Matter can ________ the way it looks or feels but it can also rearrange atoms.
1. destroy
2. transmit
3. slide
4. change
We use two basic _______ , physical and chemical, to describe matter.
1. meters
2. properties
3. colors
4. systems
If the physical properties of material change, the ________ that make it up do not.
1. colors
2. atomic number
3. molecules
4. density of materials
Physical changes are mostly ________ - we can go back and forth between ice and water.
1. one direction
2. reversible
3. destructive
4. three directions
Energy is always involved in any change, either physical or chemical.
1. false
2. true
two types of properties that chemists use to study matter are chemical changes and _____________ changes.
1. frozen
2. mass
3. steady state
4. physical
Physical and Chemical changes are the major categories of changes that chemists study.
1. true
2. false
These changes are harder to reverse.
1. physical
2. electrical
3. chemical
4. thermal
How many times can we change ice into water and back again into ice?
1. you can't melt ice
2. 2
3. 1
4. as many as you wish