Properties
Measure
Phases
Mixtures
Change
100
What is anything that has mass and takes up space?
matter
100
What is the amount of space that matter takes up?
volume
100
What is the form in which particles are arranged and move?
phase of matter
100
What is the water on the outside of a cool glass of water in a warm classroom called?
condensation
100
True/False: Mixing salt and water is a chemical change.
False
200
What is a force that attracts objects to the center of Earth?
gravity
200
What is a unit used to measure mass?
kilogram
200
How are gas particles packed?
very loosely
200
Putting lettuce, cucumbers, and tomatoes together to make a salad is an example of what?
mixture
200
What happens when particles of one substance are changed in some way to form particles of a new substance?
chemical change
300
What is a characteristic of an object?
property
300
How does mass of an object change?
by adding or subtracting matter
300
What is the temperature at which a substance changes from liquid to a gas?
boiling point
300
As the heat of an object cools down, how do the particles move?
more slowly
300
If I left a can outside for a very long time, it would rust. Which type of change would occur?
chemical change
400
True/False: An object with a greater density than water will float in water.
False
400
If I took a puzzle apart, and put all of the pieces in a pile, would the mass of the puzzle change?
No, the mass would remain the same.
400
How are the particles in a solid packed?
They are packed tightly together.
400
If I took an ice cube out of the freezer, what is happening to the particles as it melts?
They are moving faster.
400
True/False: Tearing a sheet of paper is a physical change.
True
500
What is a property that compares an object's mass to its volume?
density
500
What is the amount of matter in an object?
mass
500
What space of an object does a gas fill?
It expands to fill whatever space is available.
500
What is the water called when it appears on a bathroom mirror after a someone takes a hot shower?
condensation
500
What happens when there is a change in the size, shape, or state of matter that does not change the particles that make up matter?
physical change
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