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Mr.Do 8th Grade Science Class quiz

Total questions: 63

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
____________ is anything that has mass and takes up space.
a)
matter
b)
compound
c)
particle
d)
subatomic
2.
All mater is composed of __________.
a)
compounds
b)
atoms
c)
water
d)
H2O
3.
The nucleus of the atom has  the 
___________ and ___________ in it.
a)
protons and neutrons
b)
electrons and neutrons
c)
protons and electrons
4.
The electrons are in the electron _________.
a)
region
b)
area
c)
cloud
5.
Study of inanimate natural objects including chemistry, physics, and astronomy.
a)
Chemistry
b)
Control
c)
Physical Science
d)
Dependent Variable
6.
The scientific study of the structure, properties, and reactions of the chemical elements and the compounds they form.
a)
Chemistry
b)
Theory
c)
Law
d)
Control
7.
Facts and statistics collected for reference or analysis.
a)
Qualitative
b)
Hypothesis
c)
Question Base
d)
Data
8.
Educated guess based upon evidence and used as a starting point for investigation.
a)
Guess
b)
Hypothesis
c)
Independent variable
d)
I don't know
9.
The variable that is changed by the scientist.
a)
Dependent Variable
b)
Independent variable
c)
Variable
d)
Law
10.
Variable being tested or measured.
a)
Independent variable
b)
Control
c)
Dependent Variable
d)
Physics
11.
Aspects of the experiment that remain unchanged in order to measure the dependent variable.
a)
Data
b)
Chemistry
c)
Physical Science
d)
Control
12.
Systematic observation, measurement, and experimentation to form, test, and modify a hypothesis.
a)
Scientific Method
b)
Law
c)
Chemistry
d)
Data
13.
Explanation of some aspect of the natural world that can be repeatedly tested.
a)
Theory
b)
Qualitative
c)
Quantitative
d)
Amorphous
14.
Which planet is the hottest?
a)
Mercury
b)
Venus
c)
Earth
d)
Neptune
15.

What organelle do plants have surrounding their cells that animals lack?

a)

Cell Wall

b)

Woody Stems

c)

Cell Membrane

d)

Sharp Thorns

16.

When many organ systems work together it can form...

a)

organ

b)

cells

c)

organism

d)

organ system

17.

What is a example of lab safety?

a)

Keep your hair down

b)

Eat a snack before an experiment

c)

Keep your goggles on at all times

d)

Play around the equipment

18.
Which technology would be useful for studying moon phases
a)
Spectroscope
b)
Space Probe
c)
Telescope
d)
The international Space Station
19.
Which states of matter have volume?
a)
solid and liquid
b)
solid, liquid, and gas
c)
liquid and gas
d)
solid and gas
20.

The process by which hot and cold air are transferred in the atmosphere is

a)

conduction.

b)

convection.

c)

insulation.

d)

radiation.

21.

Microwave ovens heat food through the process of

a)

conduction.

b)

convection

c)

radiation.

d)

stratification

22.

Heat is transferred from the heating element to the pot to the boiling water. What is the MOST likely method of heat transfer?

a)

circulation

b)

conduction

c)

convection

d)

radiation

23.

water freezing to form ice

melting a gold chain to create a gold ring

breaking a window into smaller pieces

a)

chemical change.

b)

physical change.

c)

chemical decomposition.

d)

increasing surface volume.

24.
Organisms who receive their energy by consuming other organisms.
a)
Chloroplast
b)
Heterotroph
c)
Autotroph
d)
Phototropism
25.
The genetic code for all of your traits.
a)
Nucleus
b)
DNA
c)
Chloroplast
d)
Recessive gene
26.

Clues that support the continental drift

a)

glacial deposits

b)

continental drift

c)

rocks, fossils and climate

27.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
28.
Which letter represents amplitude?
a)
A
b)
B
c)
C
d)
D
29.
Inertia is the tendency of an object to resist a change in its ___________. 
a)
temperature
b)
shape
c)
size
d)
motion
30.
Imagine you travel to another planet. What will change as you walk around the surface of the planet, your mass or your weight?
a)
Mass
b)
Weight 
c)
Both 
d)
Neither 
31.
The unit for measuring loudness is the ___________________
a)
Hertz
b)
Decibel
c)
Mililiters
d)
Cm/sec
32.
An Echo can be described as an example of _______________________
a)
Refraction
b)
Diffraction
c)
Resonance
d)
Reflection
33.
____________ is a push or pull on an object.
a)
Motion
b)
Force 
c)
Speed
d)
Velocity
34.
Force is measured in ________.
a)
Joules
b)
Kilograms
c)
Pounds
d)
Newtons
35.
As the distance between two magnets increases, the magnetic force between them __________.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Increases and then decreases
36.
North Pole on a magnet will be repelled by the ___________.
a)
North Pole
b)
South Pole
37.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Mechanical
d)
Nuclear
38.
What kind of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Radiant
39.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
40.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
41.
Which of the following is a fossil fuel?
a)
Wind
b)
Coal
c)
Solar
d)
Biomass
42.

The form of energy food contains is which of the following?

a)

chemical

b)

potential

c)

radiat

d)

electrical

43.
A hypothesis is often tested with a controlled _______
a)
experiment 
b)
observation 
c)
theory
d)
law 
44.
The cycle of the moon lasts about a _.
a)
day
b)
year
c)
week
d)
month
45.
A force of attraction between objects that is due to their masses. 
a)
Solar Flare
b)
Orbit
c)
Gravity
d)
Centripetal Force
46.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
47.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
48.

The force that happens when two things rub together is called:

a)

Electricity

b)

Magnetism

c)

Friction

d)

Gravity

49.

Which measurements are required to calculate the average speed of a car driving on a road?

a)

Mass and direction

b)

Mass and time

c)

Direction and Time

d)

Time and Distance

50.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
51.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
52.
The force of magnetism is stronger when magnets are ________________
a)
cold
b)
round
c)
closer together
d)
farther apart
53.
Something we notice with our senses is called an _____________
a)
inference
b)
guess
c)
answer
d)
observation
54.
True or False: All metals stick to magnets.
a)
True
b)
False
55.
It is possible for a magnet to have only one pole.
a)
True
b)
False
56.

What do the lines around this magnet represent?

¿Qué representan las líneas alrededor de este imán?

a)

North Pole

b)

South Pole

c)

Magnetic Declination

d)

Magnetic Field

57.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
58.

A series circuit will continue to work if one of the light bulbs is unscrewed.

a)

true

b)

false

59.

An object with equal amounts of positive and negative charge is electrically....

a)

neutral

b)

charged

c)

positive

d)

negative

60.

All of these are examples of insulators except....

a)

plastic fork

b)

glass marble

c)

rubber band

d)

aluminum can

61.

A closed path in which electric charges flow matches which term?

a)

electric circuit

b)

electric resistance

c)

electric field

d)

electric force

62.

This is an example of what type of circuit?

a)

simple

b)

series

c)

parallel

63.

A material that does not allow electrons to move freely matches which term?

a)

electric circuit

b)

electric current

c)

insulator

d)

conductor

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