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8th Grade Review Quizizz 2023

Total questions: 65

Worksheet time: 47mins

Name
Class
Date
1.

When in a science lab you should never...

a)

Eat or drink

b)

Take measurements

c)

Wear goggles

d)

Heat up beakers

2.

If you aren't sure about anything included in the investigation you are performing, you should always ask __________.

a)

Your friend

b)

A person in the next class

c)

Your teacher

d)

Google

3.

If a chemical splashes into your eye, what safety tool will be the most effective to prevent damage to your eye?

a)

The sink

b)

Paper towels

c)

Eye wash

d)

Safety Shower

e)

Fire blanket

4.

Based on the photo, what is the volume of the liquid?

a)

35 mL

b)

24 mL

c)

25 mL

d)

30 mL

5.

Which of the following is a METRIC unit of measure for LENGTH?

a)

mL

b)

in.

c)

kg

d)

cm

6.
What is the length of the red line?
a)
2.0 cm
b)
2.3 cm
c)
2.1 cm
d)
3.0 cm
7.

The diagram shows part of a ruler. The ruler is used to find the length of a nail.

What is the length of the nail?

a)

2.2 cm

b)

2.7 cm

c)

3.2 cm

d)

3.7 cm

8.

What is the mass of a 25 cm3  liquid if it has a density of 5 g/cm3?

a)

125 g

b)

5 g

c)

5gcm3\frac{5g}{cm^3}  

d)

0.2 cm30.2\ cm^3  

9.

Calculate the density of the rectangular prism

a)

2 g/cm3

b)

4 g/cm3

c)

6 g/cm3

d)

8 g/cm3

10.

Three liquids and two solids are placed in a graduated cylinder. The substances arrange themselves in the cylinder according to their densities. Use the information to identify the liquids and solids in the graduated cylinder. start with the top solid as substance 1, and the top liquid as substance 2, and so on

a)

Gold

b)

Mercury

c)

water

d)

Gasoline

e)

Cork

1)
2)
3)
4)
5)
11.
What is the factor that an experimenter changes on purpose?
a)
Dependent Variable
b)
Independent Variable
c)
Constant
d)
Control
12.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
13.
What is an if....then statement that predicts the outcome of an experiment or how the Independent variable effects the dependent variable?
a)
Conclusion
b)
Materials
c)
Hypothesis
d)
Problem
14.
What is the name of this graph?
a)
line plot
b)
line graph
c)
bar graph
d)
frequency table
15.

Pie/circle graphs represent what kind of data

a)

comparison of amounts

b)

shows change over time

c)

shows parts of a whole

d)

spread of the data

16.

Line graphs represent what kind of data

a)

comparison of amounts

b)

shows change over time

c)

shows parts of a whole

d)

spread of the data

17.

Which type of energy has to do with objects in motion?

a)

Potential

b)

Kinetic

18.

Which of these has the most potential energy.

a)

A

b)

B

c)

C

d)

D

19.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

20.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

21.
Reese can run 10 meters in 5 seconds. What is her speed?
a)
5 meters/sec
b)
2 meters/sec
c)
5 miles/hour
d)
2 miles/hour
22.

Motion is

a)

a word that rhymes with ocean.

b)

an object's change in its speed to a reference point.

c)

an object's change in position to a reference point.

d)

an object's change in position to its rate of speed.

23.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
24.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
25.
What is Newton's Third Law?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
b)
Force = mass x acceleration
c)
For every action there is an equal and opposite reaction
26.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
27.
True or false
You do work only when you exert a force on an object and move it
a)
true
b)
false
28.
if you push a cart with a force of 60 N for 2 m... how much work have you done
a)
120 J
b)
30 J
c)
120 N 
d)
30 N
29.
Force is a _____ or _______
a)
simple    complex
b)
push     pull
c)
up      down
d)
in      out
30.
Power is defined as the quantity that measures the rate at which _____ is done or energy is transformed.
a)
energy
b)
time
c)
work
d)
elasticity
31.

A sound wave requires a medium to travel while the light does not require one

a)

True

b)

False

32.

The _______ is a measurement of how long a wave is (Point B to Point F)

a)

Compression

b)

Wavelength

c)

Amplitude

d)

Reflection

33.

The amplitude of a wave is measured by measuring

a)

The distance between the middle line and the peak OR trough point

b)

The distance between the peak and the trough point

c)

The distance between two random points

d)

The wavelength and the peak

34.

This T-shirt absorbs or reflects al of the colors of the rainbow?

a)

Absorbs

b)

Reflects

35.

Why does the straw appear to be bent?

a)

Light is reflected

b)

Light is refracted

c)

Light is turned

d)

Light is absorbed

36.

Which Electromagnetic waves help doctors detect a broken bone inside your body?

a)

UV light

b)

Gamma ray

c)

X ray

37.

This picture shows an example of

a)

transmission

b)

reflection

c)

refraction

38.

The part of the sound wave when particles are furthest apart

a)

compression

b)

rarefaction

39.

match

a)
1.

concave

b)
2.

convex

c)
3.

one of each

40.
What is a conductor?
a)
A material that allows electricity to go through it
b)
The area of a conductor through which a current is able to move
c)
A battery or other device which provides energy for a curcuit
d)
When there is only one path for the electricity to flow
41.

Which of these materials is a good conductor of electricity?

a)

Rubber

b)

Metal

c)

Newspaper

d)

Glass

42.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity

b)

There is too much dust in the air

c)

A parallel circuit was too long

d)

The person needs to wash his hair

43.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
44.

Which electromagnet is stronger?

a)

A

b)

B

45.

The process when a solid turns into a liquid

a)

Evaporation

b)

Sublimation

c)

Freezing

d)

Melting

46.

What is the term given to the temperature at which a liquid changes to a solid?

a)

Melting point

b)

Boiling point

c)

Sublimation point

d)

Freezing point

47.

Which letter represents when the substance is a solid?

a)

A

b)

B

c)

C

d)

D

e)

E

48.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
49.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
50.

Is frying an egg a chemical or physical change

a)

Chemical

b)

Physical

51.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

52.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

53.
a)

Homogeneous Mixture

b)

Heterogeneous Mixture

54.
The subatomic particle with a neutral charge is:
a)
protons
b)
electrons
c)
neutrons
d)
cloud
55.
This particle is found in the nucleus and has a positive charge
a)
Electron
b)
Proton
c)
Neutron
56.
This contains most of the mass of an atom
a)
Electron Cloud
b)
Nucleus
c)
Electron
57.
This is a negatively charged particle found outside the nucleus
a)
Electron
b)
Proton
c)
Neutron
58.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
59.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
60.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
61.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
62.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
63.
How many Hydrogen (H) atoms are in NH3O5
a)
3
b)
4
c)
5
d)
1
64.
Name the part in red:

H2 + O2 -> H2O
a)
Coefficient
b)
Product
c)
Yield
d)
Subscript
65.
Which number should go in the blank?
_ H2 + O2 -> 2 H2O
a)
1
b)
2
c)
3
d)
0

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