WorksheetsSCIENCE REVIEW
Total questions: 69
Worksheet time: 1hrs 5mins
Name
Class
Date
1.
The part of the earth that includes the crust and the upper mantle and is split into tectonic plates is the
a)
lithosphere
b)
crust
c)
asthenosphere
d)
mantle
2.
This layer is completely solid due to the intense pressure it is under
a)
crust
b)
inner core
c)
mantle
d)
outer core
3.
The theory that states that the Earth is divided into plates that float and move in slow, constant motion.
a)
Continental Drift
b)
Seafloor Spreading
c)
Plate Tectonics
d)
Tectonic Plates
4.
The circular pattern of heating, rising, cooling, sinking of magma in the mantle causing tectonic plates to move.
a)
Plate Tectonics
b)
Convection Currents
c)
Pangaea
d)
Subduction
5.
The investigation of physical conditions in space and on stars, planets, and other celestial bodies through the use of satellites, space probes, or spacecrafts with human crews.
a)
Space Exploration
b)
Newton's Law of Gravity
c)
the ISS
d)
Space travel
6.
I orbit Earth and help your cell phones work. What am I?
a)
Space Shuttle
b)
Rover
c)
Satellite
d)
Rocket
7.
What is an example of opposing forces?
a)
Tapping your foot
b)
Tug of War
c)
Picking up a Pen
d)
Fixing your hair
8.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
9.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
10.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
11.
Is this a balanced or unbalanced force?
130 N 150 N
<------ --------->
130 N 150 N
<------ --------->
a)
Balanced
b)
Unbalanced
12.
Is this a balanced or unbalanced force?
30 N 30 N
---------> <---------
30 N 30 N
---------> <---------
a)
Balanced
b)
Unbalanced
13.
What is a light year?
a)
The distance light travels in one year
b)
a measurement of time
c)
a way to measure how bright a year is
d)
Average distance from to the Sun
14.
The main energy source for our planet is...
a)
electricity
b)
coal
c)
gas
d)
the sun
15.
What is the force present on Earth, but not in space, that makes it difficult for the heart to move blood throughout the body?
a)
energy
b)
friction
c)
gravity
d)
inertia
16.
How is gravity affected by mass?
a)
the larger the mass of the object, the greater the gravity
b)
small objects have no gravity
c)
gravity is not affected by mass of objects, whether large or small
17.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
18.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed
c)
not moving
d)
accelerating/slowing down.
19.
The engineering process begins
a)
when you brainstorm new ideas
b)
creating an advertisment
c)
identifying the need or solution to a problem
20.
Which word best describes a constraint?
a)
option
b)
opportunity
c)
restriction
21.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
22.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
23.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
24.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
25.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
26.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
27.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon?
a)
Mechanical to light to chemical
b)
Chemical to mechanical to thermal
c)
Thermal to chemical to light
d)
Chemical to thermal to mechanical
28.
A hairdryer converts --
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
29.
What is the study of matter and how it changes?
a)
matter
b)
chemistry
c)
substance
d)
properties
30.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
31.
Which of the following is not a chemical property?
a)
rusting
b)
boiling
c)
rotting
d)
burning
32.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
33.
Which is NOT a physical property?
a)
odor
b)
reacts with acid
c)
ability to conduct electric current
d)
hardness
34.
When water boils, water vapor is produced and escapes into the air. Which BEST describes this change?
a)
Melting
b)
Freezing
c)
Physical Change
d)
Chemical Change
35.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
36.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
37.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
38.
I am anything that has mass and takes up space!
a)
energy
b)
matter
c)
molecules
d)
atoms
39.
I am the smallest whole particle of matter.
a)
atom
b)
compound
c)
molecule
d)
mixture
40.
I am the smallest whole particle of matter.
a)
atom
b)
compound
c)
molecule
d)
mixture
41.
I am two or more atoms chemically bonded.
a)
atom
b)
compound
c)
molecule
d)
mixture
42.
I am 2 or more elements chemically bonded.
a)
atom
b)
molecule
c)
compound
d)
mixture
43.
Texture, color, states of matter, flexibility, freezing & melting points
a)
Chemical Properties
b)
Physical Properties
c)
States of Mass
d)
Scientific matterology
44.
Which of the following is an example of a chemical property?
a)
melting
b)
bending a paper clip
c)
rusting
d)
boiling water
45.
C6H12O11
a)
Chemical Mixture
b)
Chemical Formula
c)
Chemical Equation
d)
Single Atom
46.
H2O
a)
ratio is 1 to 1 or 1:1
b)
ratio is 2 to 1 or 2:1
c)
there is no ratio
d)
ratio is 4 to 1 or 4:1
47.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
48.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
49.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
50.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
51.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
52.
True or False: The density of a specific type of material never changes.
a)
True
b)
False
53.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
54.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
55.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
56.
The tool used to measure the mass of a substance or object is a ______________.
a)
balance
b)
graduated cylinder
c)
ruler
d)
thermometer
57.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
58.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
59.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
60.
________ is the midpoint in a wave where amplitude begins.
a)
point of origin
b)
amplitude
c)
crest
d)
wavelength
61.
What kind of wave can travel through space?
a)
electromagnetic waves
b)
compressional waves
c)
transverse waves
d)
longitudinal waves
62.
A wave carries...?
a)
energy only
b)
matter only
c)
the matter carries the energy
d)
neither
63.
The lowest part of the wave is?
a)
trough
b)
crest
c)
point of origin
d)
compression point
64.
The highest point of a wave is?
a)
crest
b)
trough
c)
point of origin
d)
comppression point
65.
The action of a wave bouncing off a surface is called __________________.
a)
rarefaction
b)
refraction
c)
reflection
d)
diffraction
66.
Which wave has a greater frequency?
a)
A
b)
B
67.
_______ carry the greatest amount of energy.
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
68.
How much of the electromagnetic spectrum is visible?
a)
All of it
b)
None of it
c)
Most of it
d)
Only a small part
69.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
100 %
