AnswersPhysical ScienceProperties and Changes of Matter

Practice Test Answers

12 verified answers1 views
1
Free Preview

What is conserved in physical changes?

A
mass
B
energy
C
shape
D
density
2
Free Preview

Which statement gives two characteristics of all liquids?

A
They spread out to fill space and have atoms that vibrate in place.
B
They have definite volume and have atoms that move freely in all directions.
C
They will change shape to fit a container and have definite volume.
D
They have atoms that vibrate in place and have a definite shape.
3

When hydrogen peroxide bubbles, it is undergoing a chemical change. Which statement best describes what is happening?

A
The atoms in hydrogen peroxide are breaking apart and recombining into the original molecules.
B
The molecules of hydrogen peroxide remain intact as new types of molecules form and move out of the liquid.
C
The molecules of hydrogen peroxide remain intact but move more quickly to allow evaporation.
D
The atoms in hydrogen peroxide are breaking apart and forming new types of molecules.
4

Which state(s) of matter have no definite shape or volume?

A
liquids and gasses
B
gasses
C
solids
D
liquids and solids
5

During which changes of state do atoms that cannot move past one another become free to move?

A
vaporization and sublimation
B
condensation and melting
C
sublimation and melting
D
boiling and deposition
6

Which tools would Sara use to find an irregularly shaped object’s mass and volume?

A
a meter stick, a balance, and water
B
a balance, water, and a beaker
C
a balance, water, and a ruler
D
a meter stick, a ruler, and water
7

If a person has the values for an object’s density and volume, what value can be calculated?

A
the object’s size
B
the shape the object forms in a container
C
the object’s mass
D
the amount of space the object takes up
8

Why is matter so diverse in its properties and characteristics?

A
Matter consists of various atoms that are chemically identical.
B
Different combinations of various atoms result in a wide range of matter.
C
The size of atoms in matter depends on their temperature.
D
When atoms are split, new matter will be created.
9

What happens to the total mass of a substance undergoing a physical change?

A
It is reduced.
B
It doubles.
C
It stays the same.
D
It triples.
10

Which best describes what is made of matter?

A
all atoms
B
all living things
C
all living things and objects
D
all solid objects and atoms
11

Which changes of state should she place in the column titled "Lose Energy"?

A
melting, vaporization, and sublimation
B
freezing, deposition, and condensation
C
freezing, boiling, and melting
D
sublimation, deposition, and condensation
12

Which statement provides the best assessment of his tests?

A
Only tests 1 and 2 will indicate chemical properties of sodium bicarbonate. Test 3 will show a physical property of the substance.
B
Only tests 1 and 3 will indicate chemical properties of sodium bicarbonate. Test 2 will show a physical property of the substance.
C
Only Test 2 will indicate a chemical property of sodium bicarbonate. Tests 1 and 3 will show a physical property of the substance.
D
Only Test 3 will indicate a chemical property of sodium bicarbonate. Tests 1 and 2 will show a physical property of the substance.

Did you find these answers helpful?

More from this Course

Quiz
25 verified answers

Test