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WorksheetsALMA Science Final
Total questions: 48
Worksheet time: 26mins
Name
Class
Date
1.
Information that you gather with your senses.
a)
observation
b)
variable
c)
hypothesis
d)
testable question
2.
A possible answer to a testable question.
a)
testable question
b)
variable
c)
hypothesis
d)
observation
3.
Something that is changed or tested in an experiment.
a)
independent variable
b)
dependent variable
4.
Observations that are made using only the senses and that describe properties.
a)
qualitative observations
b)
quantitative observations
5.
A star begins its life-cycle as a ____________
a)
nebula
b)
black hole
c)
white dwarf
d)
black dwarf
6.
A _________ will exert a gravitational force so strong that nothing (not even light) can escape!
a)
red giant
b)
super giant
c)
black hole
d)
black dwarf
7.
Which Theory?
The universe started with an explosion that sent matter into space, and it continues to expand today.
The universe started with an explosion that sent matter into space, and it continues to expand today.
a)
Steady State
b)
Big Bang
c)
Oscillating Model
d)
Elliptical Model
8.
In what unit is star "brightness" measured?
a)
volts
b)
magnitudes
c)
watts
d)
lightyears
9.
What is an atom consist of?
a)
Solids, liquids, gasses
b)
Protons and solids
c)
Protons, neutrons, and electrons
d)
Nothing
10.
Which is true?
a)
Solids Change with their Container
b)
Liquid Change shape with their container
c)
Cats hate dogs
11.
What is Mass?
a)
Mass is weight
b)
A cat
c)
An animal
d)
A measurement of how much matter is in an object.
12.
What is the Conservation of Mass?
a)
Nothing is lost, Nothing is Created, Everything is tranformed
b)
The Law states that Nothing is transformed
13.
An object is _____ if its position changes relative to another object.
a)
in motion
b)
at reset
c)
a frame of refence
d)
magical
14.
A truck driving at 60 miles per hour travels 150 miles. How long is it driving for?
a)
9000 hours
b)
0.4 hours
c)
210 hours
d)
2.5 hours
15.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
16.
The International System of Units, or SI units, is
a)
the modern form of the metric system used by scientists today
b)
an ancient form of the metric system no longer in use by scientists
c)
the American system of measurement
d)
the Icelandic system of measurement
17.
Velocity is
a)
speed and acceleration
b)
constant speed
c)
a frame of reference
d)
speed in a given direction
18.
1. What is the ability to do work?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
19.
What is the energy of motion that depends on speed and mass?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Chemical energy
20.
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
21.
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
22.
A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
a)
A. surface wave
b)
B. transverse wave
c)
C. wave
d)
D. mechanical wave
23.
A wave that requires a medium through wave which to travel
a)
A. electromagnetic wave
b)
B. longitudinal wave
c)
C. mechanical wave
d)
D. transverse wave
24.
A wave that does not require a medium
a)
A. electromagnetic wave.
b)
B. surface wave
c)
C. medium
d)
D. transverse wave
25.
The number of waves produced in a given amount of time
a)
A. amplitude
b)
B. wave speed
c)
C. frequency
d)
D. wavelength
26.
The distance from any point on a wave to an identical point on the next wave
a)
A. frequency
b)
B. wavelength
c)
C. wave speed
d)
D. amplitude
27.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
28.
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.
29.
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.
30.
Which term best describes a chemical reaction?
a)
catalytic
b)
exothermic
c)
endothermic
d)
acidic
31.
Which is a chemical change?
a)
Paper is shredded.
b)
Liquid wax turns solid.
c)
A raw egg is broken.
d)
Soap scum forms.
32.
What unit is often used to measure distances between stars and galaxies?
a)
kilometers
b)
astronomical units
c)
light-year
d)
meter
33.
Which is the process of a gas cooling into a liquid.
a)
boiling
b)
condensation
c)
freezing
d)
sublimation
34.
Which of these is not a vector?
a)
force
b)
distance
c)
position
d)
velocity
35.
Which type of force causes a sliding box to slow down and stop?
a)
buoyant
b)
compression
c)
friction
d)
gravity
36.
In which situation are the forces acting on a bicycle balanced?
a)
The bicycle speeds up as you pedal.
b)
The speed of the bicycle is constant as it turns.
c)
The bicycle slows down as it coasts.
d)
The bicycle moves in a straight line with constant speed as you pedal.
37.
What is the average speed formula?
a)
Ave. Speed = Distance / Time
b)
Ave. Speed = Distance * Time
c)
Ave. Speed = Time / Distance
d)
Ave. Speed = Time * Distance
38.
What is the formula for Density?
a)
Density = Mass / Volume
b)
Density = Mass * Volume
c)
Density = Volume / Mass
d)
Density = Volume * Mass
39.
What is buoyant force?
a)
An upward force exerted by fluids on an object.
b)
An downward force exerted by fluids on an object.
40.
What does buoyant mean?
a)
float
b)
push
c)
flying, yeah!!!!!!
d)
sink
41.
Archimedes' Principle states that...
a)
The buoyant force acting on an object equals the volume of the fluid displaced by the object.
b)
The buoyant force acting on an object equals the weight (force of gravity) of the fluid displaced by the object.
c)
The buoyant force acting on an object will always be equal.
42.
From Friday's lab, when the egg was floating in between the salt water and fresh water, we say it has...
a)
Positive buoyancy
b)
Neutral buoyancy
c)
Negative buoyancy
43.
What is an atom consist of?
a)
Solids, liquids, gasses
b)
Protons and solids
c)
Protons, neutrons, and electrons
d)
Nothing
44.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
45.
A copper penny turning greenish after a few years is an example of...
a)
Chemical Change
b)
Physical Change
46.
Can matter be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, matter is always conserved
d)
None of these
47.
The mass after a physical change, such as ice melting into water, stays the same
a)
True
b)
False
48.
The total amount of matter (atoms) before and after a chemical reaction (change), remains the same.
a)
True
b)
False
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