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Year 8 - Matter revision - 2024

Total questions: 38

Worksheet time: 52mins

Name
Class
Date
1.
What is matter?
a)
Anything that has mass and volume
b)
The shape of an object
c)
How much an object weighs
d)
The pull of objects on one another
2.
Volume is.....
a)
the weight of an object
b)
the gravity of an object
c)
how much space an object takes up
d)
measured with a balance scale
3.
Mass is
a)
the amount of matter in an object
b)
the shape of an object
c)
measured using l x w x h
d)
the amount of space an object takes up
4.
Which form of matter does not take the shape of its container?
a)
liquid
b)
gas
c)
solid
d)
air
5.

The state of matter that has no fixed size or shape is

a)

Solid

b)

Liquid

c)

Gas

6.

What are the three elements to the Particle Model of Matter

a)

Space between particles, everything made up of particles, particles are always moving

b)

Thermal energy, kinetic energy, temperature

c)

Particles can be heated or cooled, some things are not made up particles, particles are easy seen

7.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
8.
All changes in the state of matter of a substance requires
a)
vibration
b)
water
c)
permission
d)
energy
9.
How are elements on the periodic table arranged by?
a)
in alphabetic order
b)
simular physical & chemical properties
c)
their symbols
d)
Just simular physical properties
10.
Two elements chemically bonded form
a)
element
b)
compound
c)
mixture
d)
solutions
11.

The Atomic number is known as the _______

a)

Number of electrons in an atom

b)

Number of Protons in an atom

c)

Number of neutrons in an atom

d)

Number of Protons and electrons in an atom

12.

What charge do protons have?

a)

Positive

b)

Negative

c)

Neutral

13.

The number of electrons in an atom is equal to the...

a)

Atomic number

b)

Protons

c)

Atomic Mass

d)

Neutrons

14.

What is the picture displayed?

a)

atom

b)

element

c)

compound

15.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
16.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

6

17.

How many Hydrogen atoms are present in H20?

a)

2

b)

4

c)

1

d)

0

18.

Select two words that describe this diagram

a)

molecule

b)

element

c)

atom

d)

compound

19.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
20.
Mixtures are separated through ___________changes.
a)
mixture
b)
compound
c)
physical
21.
Hydrogen
a)
H
b)
Hy
c)
He
d)
Hd
22.
Carbon
a)
C
b)
Ca
c)
Cb
d)
Co
23.
Nitrogen
a)
N
b)
Ni
c)
Nt
d)
Ng
24.
Neon
a)
N
b)
Ne
c)
No
d)
Nn
25.
Sodium
a)
S
b)

So

c)
Na
d)
Au
26.
Magnesium
a)
M
b)
Mg
c)

Mn

d)
Md
27.

How many atoms of hydrogen are in a molecule of glucose (C6H12O6)?

a)

12

b)

6

c)

18

d)

4

28.

Which of the following accurately describes the chemical formula of the molecule shown above?

a)

3CH8O

b)

C3H7O

c)

C4H8O2

d)

C3H8O

29.

Which elements are in the formula shown above?

a)

Cobalt only

b)

Carbon and Oxygen

c)

Copper only

d)

Carbon and Osmium

30.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
31.
True or False? Neutrons have a negative charge
a)
True
b)
False
32.

Something that can be changed in an experiment that may affect the outcome

a)

variable

b)

experiment

c)

evidence

33.
a prediction based on prior knowledge or experience
a)
hypothesis
b)
conclusion
c)
problem
34.
The variable the is changed on purpose is..
a)
Constant
b)
Control
c)
Independent Variable
d)
Dependent Variable
35.
Which brand of paper towel will absorb the most liquid? What is the dependent variable?
a)
brand of paper towel
b)
amount of water absorbed
36.

the variable being observed and measured

a)

constants

b)

control

c)

dependent variable

d)

independent variable

37.

Kenley wonders how the color of light will affect plant growth. She places one plant under blue light; one under green and one in natural light. At the end of the month she measures each plant to see how tall it is.

What is the dependent variable (DV)?

a)

DV = the type of plant

b)

DV = the plant under natural light

c)

DV = height of the plant

d)

DV = color of the light

38.

Kenley wonders how the color of light will affect plant growth. She places one plant under blue light; one under green and one in natural light. At the end of the month, she measures each plant to see how tall it is.

What is the control?

a)

control = the type of plant

b)

control = the plant under natural light

c)

control = color of the light

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