What is terminal velocity?

speed reached when object stops accelerating due to drag

an elliptical movement of a smaller body around a larger one

a line that measures magnitude and direction

More force is need accelerate a larger object

What is acceleration?

a change in velocity as an object speeds up or slows down

sum of all forces acting on a object

Which of the following is a direct relationship

one variable causes an increases of another

What is the difference between speed and velocity

velocity is speed with a direction

For every action there is an equal and opposite reaction

If an object has more momentum which of the following is not true

Momentum is the product of an objects volume and velocity

What is the dependent variable?

the measurement scientists obtain as a result

Constant speed is described as

an object traveling the same speed each second

studbud

8th grade Ngss Science Semester 1 Final review

33 termsStudBud Administration547 plays

Ngss 8th grade final review guide newtons laws Forces Energy (kinetic/Potential) Space Scientific method

Flashcards33 cardsFPractice quizPHost liveL

Questions 33

Answers

1
Which of the following is the measurement of energy
newtons
E
joules
m/s^2
2
Which is not true when the force equals 0
the object is balanced
the object is in motion
the object is at rest
the object is not moving
3
In science class temperature is measured in
Kelvin
Celsius
Fahrenheit
4
Potential energy
energy stored in an object
the actual amount of energy in something
energy of an object in motion
energy on an object such as mechanical energy
5
What is terminal velocity?
speed an object reaches when it begins to decelerate
speed an object reaches when speed begins to accelerate
speed an object reaches when the object is destroyed
speed reached when object stops accelerating due to drag
6
Newtons first law states
all answers present
an object in motion stays in motion
an object at rest stays at rest
unbalanced forces move objects
7
How many stars are in our solar system
billions
hundreds
one
millions
8
What is the distance from the sun to the earth
300,000km/s
1 Light year
1 AU
5.9 trillon miles
9
Kinetic energy is
energy of an object slowing down
energy of an object at rest
energy of an object in motion
10
What is an orbit
an elliptical movement of a larger body around a larger body
a circular movement of a smaller body around a larger one
a circular movement of a larger body around a smaller one
an elliptical movement of a smaller body around a larger one
11
What is my favorite color?
Black
Green
Pink
Blue
12
What is a vector?
a line that measures velocity
a line that measures speed
the value of changing your speed
a line that measures magnitude and direction
13
Newtons Second Law
less force is needed to move an object
More force is need accelerate a larger object
more force is needed to slow lighter objects down
14
Which variable goes on the X axis?
independent variable
dependent variable
controlled variable
15
What is the name of our galaxy
spiral
milky bar
milky way
barred
16
What is acceleration?
a change in velocity as an object slows down
a change in velocity as an object speeds up
an object that travels at constant speed or stops.
a change in velocity as an object speeds up or slows down
17
What is a net force
push or pull of an object
when the force doesn't equal 0
the most force acting on an object
sum of all forces acting on a object
18
Which of the following remains constant in the universe?
Your voice
Life
Your mass
Your weight
19
Which is the formula for Velocity
Time/Distance
Distance/Time
Distance x Time
20
Which of the following is a direct relationship
one variable causes an decrease of another
one variable causes an increases of another
one variable does nothing to another
21
Which of the following is the measurement for matter
volume
light years
mass
temperature
22
What is the difference between speed and velocity
speed and velocity are the same
velocity is speed with a direction
speed is how far an object travels in a given amount of time
23
What is my name
Mr. Vilasquez
Mr. Velazquez
Mr. Valasquez
Mr. Velasquez
24
Newtons third law
cause and effect do not apply in the realms of physics
For every action there is an equal and opposite reaction
Anything is doable
25
Which is the formula for speed
Time/Distance
Distance / Time
Time x Distance
26
If an object has more momentum which of the following is not true
Momentum is the product of an objects volume and velocity
The less momentum the easier it is to accelerate
Objects with more momentum have more force
More momentum requires more acceleration to change its speed
27
Energy
all answers present
Can neither be create or destroyed
changes order to chaos, chaos to order
is the ability to do work
28
Potential energy is at its lowest when
kinetic is at its highest
the object is at rest
the object comes to a stop
kinetic is at its lowest
29
What is the acceleration of gravity on earth
1.6 m/s^2
0 m/s^2
8.9 m/s^2
9.8m/s^2
30
What is the dependent variable?
the manipulation of the control
the variable scientists manipulate in an experiment
the measurement scientists obtain as a result
The controlled results
31
What is the air wing velocity on an unladen swallow?
I don't know
Blue
African or European swallow?
green
32
Constant speed is described as
an object's average speed over time
an object at rest
an object traveling the same speed each second
an object moving at different rates
33
Which type of force decelerates an object
friction
unbalanced force
net force
increased force

8th grade Ngss Science Semester 1 Final review Flashcards | StudBud