NEW
Font size
S
M
L
XL
Worksheets8th Grade Science Vocabulary and Big Ideas
Total questions: 57
Worksheet time: 2hrs 7mins
Name
Class
Date
1.
The Electric Force is strongest when charges are...
a)
close together
b)
far apart
c)
the electric force is constant everywhere
2.
an indication of how easily charges move within a material
a)
conductor
b)
conductivity
c)
insulator
d)
resistor
3.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
4.
What is the boiling point of water
a)
0 C
b)
100 F
c)
50 C
d)
100 C
5.
What is happening at freezing point?
a)
gas to liquid
b)
solid to liquid
c)
liquid to solid
d)
liquid to gas
6.
How can you describe matter?
a)
properties
b)
traits
c)
characterisctics
d)
how, when, what, and who
7.
Molecule
a)
A pure substance that cannot be broken down into simpler substances by physical or chemical means.
b)
A particle formed when two or more atoms are held together by chemical bonds.
c)
A single kind of matter that is pure and has a specific set of properties.
8.
Solid particles are...
a)
tightly packed.
b)
loosely bonded and flowing.
c)
free to fly in all directions.
d)
so hot that the electrons are removed from the nucleus.
9.
Gas particles are...
a)
tightly packed.
b)
loosely bonded and flowing.
c)
free to fly in all directions.
d)
so hot that the electrons are removed from the nucleus.
10.
Solid particles have the _________ energy.
a)
most
b)
middle amount of
c)
least
11.
Liquids have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
12.
Gases have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
13.
What two quantities are needed to calculate density?
a)
weight and mass
b)
mass and volume
c)
temperature and mass
d)
volume and temperature
14.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
15.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
16.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
17.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
18.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
19.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
20.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
21.
What do all waves have in common?
a)
nothing
b)
they carry energy
c)
they absorb light
d)
you can see them
22.
All waves carry
a)
energy
b)
light
c)
matter
d)
particles
23.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
24.
Which best represents diffraction?
a)
hearing music around a corner
b)
the echo of a sound
c)
a pencil appearing to bend in water
d)
the dispersion of light
25.
What is a reflected sound wave?
a)
echo
b)
reflection
c)
wave
d)
sound
26.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
27.
1. What is the ability to do work?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
28.
What is the energy of motion that depends on speed and mass?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Chemical energy
29.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
30.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Gravity
c)
Law of Inertia
d)
None of these
31.
What do we call a change from one form of energy to another?
a)
Energy form
b)
Energy transformation
c)
Kinetic energy
d)
Potential energy
32.
Heat flows from...
a)
hot to cold.
b)
cold to hot.
c)
hot to hot.
d)
cold to cold.
33.
What is heat?
a)
How fast something warms up.
b)
The measure of the average kinetic energy of all the particles in an object.
The measure of the average kinetic energy of all the particles in an object.
c)
The transfer of energy from one object to another because of a temperature difference.
The transfer of energy from one object to another because of a temperature difference.
d)
The amount of kinetic energy in a substances
34.
What is the unit that energy is measure in?
a)
Joule
b)
Calorie
c)
Degree
d)
Kalorie
35.
How does light travel?
a)
in all directions
b)
in transverse waves
c)
in a zig zag line
d)
back and forth
36.
Determine the wavelength of this wave?
a)
1m
b)
2m
c)
3m
d)
4m
37.
What happens when you increase the amplitude of a sound?
a)
it makes the sound louder
b)
it makes the sound travel faster
c)
it increases the wavelength of the sound
d)
it increases the frequency of the sound
38.
Waves that require a medium are called
a)
mechanical waves
b)
transverse waves
c)
light waves
d)
gamma rays
39.
What do we call the part of a longitudinal wave that is when the waves are squeezed together?
a)
compression
b)
rarefaction
c)
crest
d)
trough
40.
What is frequency?
a)
any disturbance that transmits energy through a medium
b)
the distance from any point on a wave to an identical point on the next wave
c)
the number of waves produced in a given amount of time
d)
when the particles in a longitudinal wave are spread apart
41.
What is a medium?
a)
something between a small and a large?
b)
the substance through which a wave can travel
c)
a pattern of vibration that simulates when a wave is standing still
d)
the distance from any point on a wave to an identical point on the next wave
42.
Which letter represents the wave trough?
a)
A
b)
B
c)
C
d)
D
43.
Which letter represents wavelength?
a)
A
b)
B
c)
C
d)
D
44.
Which wave has a greater frequency?
a)
A
b)
B
45.
The orange line is measuring the _________________________.
a)
wavelength
b)
amplitude
c)
crest
d)
trough
46.
What is force?
a)
A push exerted on an object
b)
A push or pull exerted on an object
c)
A pull exerted on an object
d)
Nothing
47.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
48.
If the net force is 0 the object is...
a)
in motion
b)
in the same place
49.
What is friction?
a)
The study of matter
b)
A force that opposes motion
c)
energy sources from fossils
d)
all of the above
50.
Can energy be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, energy is always conserved
d)
None of these
51.
All matter is made of what?
a)
energy
b)
atoms
c)
electrons
d)
compounds
52.
How are elements and compounds different?
a)
A compound is a combination of two or more types of matter, an element is one type.
b)
Compounds are represented by chemical symbols of one letter, elements by two.
c)
There are an infinite number of elements, but a limited number of compounds.
d)
Elements are always larger units of matter, and compounds are smaller.
53.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
54.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
55.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not.
b)
One has direction, and the other does not.
c)
One involves time, and the other does not.
d)
One involves acceleration, and the other does not.
56.
How does Newton’s third law explain how a rocket takes off?
a)
The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same.
b)
The rocket is at rest until ignition.
c)
The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force.
57.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
Reset
