Use each of the terms below just once to complete the questions 1-6.
chemical
mass
physical
density
properties
substance
2 points
2
Question 1
1.
Matter is anything with __________________ and volume
2 points
2
Question 2
2.
A ___________________________ is a form of matter with a uniform and unchanging composition.
2 points
2
Question 3
3.
Substances have specific, unchanging ___________________________ that can be observed.
2 points
2
Question 4
4.
Substances have both physical and chemical properties. ___________________________ properties can be observed without changing a substance’s chemical composition.
2 points
2
Question 5
5.
Color, hardness, and ___________________________ are examples.
2 points
2
Question 6
6.
Other properties cannot be observed without changing the composition of a substance. These are called ___________________________ properties. An example is the tendency of iron to form rust when exposed to air.
11 points
11
Question 7
7.
Drag each property as either physical or chemical.
Conducts electricity
chemical formula H2O
Forms green carbonate when exposed to moist air
Boiling point is 100°C
Solid at normal temperatures and pressures
Melting point
remains unchanged when in the presence of nitrogen
Liquid at normal temperatures and pressures
colorless
Density is 1g /cm3
Ability to combine with another substance
physical
chemical
2 points
2
Question 8
8.
Label each drawing with one of these words: solid, liquid, gas.
2 points
2
Question 9
9.
Label each drawing with one of these words: solid, liquid, gas.
2 points
2
Question 10
10.
Label each drawing with one of these words: solid, liquid, gas.
1 point
1
Question 11
11.
All matter that we encounter in everyday life exists in one of three physical forms.
1 point
1
Question 12
12.
A solid has definite shape and volume.
1 point
1
Question 13
13.
A liquid has a definite shape and takes on the volume of its container
1 point
1
Question 14
14.
A gas has both the shape and the volume of its container.
1 point
1
Question 15
15.
The particles in a gas cannot be compressed into a smaller volume.
1 point
1
Question 16
16.
Liquids tend to contract when heated.
1 point
1
Question 17
17.
The particles in a solid are spaced far apart.
1 point
1
Question 18
18.
The particles in a liquid are spaced far apart.
1 point
1
Question 19
19.
The words gas and vapor can be used interchangeably.