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Unit 1: Colossal Collisions

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

What scientist came up with the 3 laws of motion?

a)

Mr. Bryant

b)

Gregor Mendel

c)

Ms. Smallwood

d)

Isaac Newton

2.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
3.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
4.

What happens when two objects collide?

a)

Energy is changed into force.

b)

Energy is transferred from one object to another.

c)

Energy is created and the objects move faster.

5.

Where does a ball have the most potential energy?

a)

On the top of a hill.

b)

In the middle of the hill.

c)

At the bottom of the hill.

6.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
7.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
8.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
9.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
10.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger 
b)
smaller 
c)
equal 
d)
less
11.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
12.
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
13.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
14.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced 
a)
12 N Right  No
b)
4 N Left  No
c)
12 N Right  Yes
d)
4 N Left  Yes
15.
You hit a wall with a stick.  The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
16.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
17.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
18.
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.
19.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
20.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
21.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
22.
Which is always a contact force?
a)
electric
b)
friction
c)
magnetic
d)
gravity
23.

the ONE variable that is changed or manipulated

a)

control

b)

independent

c)

dependent

d)

super variable

24.

dependent variable

a)

the one variable that is changed/manipulated

b)

the group that is kept the SAME

c)

what is being measured/observed, the DATA

25.

A study was done to determine to figure out if HOW LONG YOU SLEEP affects your TEST SCORE. The INDEPENDENT variable is...

a)

test scores

b)

place you sleep

c)

hours of sleep

26.

A study was done to determine to figure out if HOW LONG YOU SLEEP affects your TEST SCORE. The DEPENDENT variable is...

a)

test scores

b)

place you sleep

c)

hours of sleep

27.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
28.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
29.

What is true about this picture?

a)

the forces are balanced

b)

the net force is 10N

c)

The net force is 3 N

d)

The net force is 7N

30.

What is a claim?

a)

Answers a question or problem

b)

long and detailed paragraph

c)

Explains why something happened

31.

What is reasoning?

a)

Answers a question

b)

Explaining how evidence supports a claim

c)

Used to prove something true or false

32.

What is an example of evidence?

a)

Football players are 33% more likely to get injured than baseball players.

b)

Football is more dangerous than baseball.

c)

Baseball is a fun sport.

33.

Why do we need evidence?

a)

To answer a question

b)

To show how and why

c)

To prove our claim is true

34.

Why do we need reasoning?

a)

To show how and why

b)

to answer a question

c)

To prove your claim is true

35.

Which one of these is an evidence sentence starter?

a)

Answers a question

b)

The data shows…

c)

This is important because…

36.

Evidence is your __________________

a)

Proof

b)

Question

c)

Reasoning

37.

Scientist believe that the extinction of the dinosaurs was caused in part by a large meteor strike. What is the most likely sequence of events following the meteor strike?

a)

Global Warming, Rising Sea Levels, Dinosaurs Drown

b)

Sun cannot penetrate the atmosphere, photosynthesis stops, dinosaurs starve

c)

Hurricanes, flooding, dinosaurs go extinct

d)

Earthquakes, ice age, dinosaurs freeze.

38.

How do most fossils form?

a)

An insect becomes trapped in amber.

b)

An entire organism becomes frozen in ice.

c)

A dead organism becomes buried in sediment.

d)

A dead organism becomes buried in tar.

39.

If scientists found this fossil, what could they infer?

a)

what fish are like today

b)

that this fish lacked oxygen

c)

that water once covered the area where this fossil was found

40.

Which rock layer contains the newest fossils?

a)

B

b)

C

c)

D

d)

E

e)

F

41.

You are studying the fossil record and suddenly 75% of the fossils vanish from the fossil record. What does this mean?

a)

There was an earthquake.

b)

Lots of babies were born.

c)

There was a mass extinction.

d)

Evolution caused them to die off slowly over time.

42.

The mineral that is commonly found in asteroids and is found in large amounts in the layers of Earth dated at 65 million years ago is called

a)

Carbon

b)

Iridium

c)

Platinum

d)

Kryptonite

43.

The three pieces of soil evidence for an asteroid collision 65 million years ago are

a)

high amounts of Iridium, lots of soot, and pressurized quartz crystals

b)

high amounts of kryptonite, lots of soot and diamonds

c)

Low amounts of Iridium, kryptonite and soot.

d)

Millions of dead animals, a giant crater, volcanoes.

44.

Force = Mass x Acceleration is the formula associated with which Law of Motion?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

45.

When you jump into a pool water splashes up because of which Law of Motion?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

46.

You push your sister into the pool. This is an example of

a)

a balanced force

b)

an unbalanced force

c)

Newton's 3rd Law

d)

Inertia

47.

Kinetic energy is the energy of

a)

excitement

b)

motion

c)

gravity

d)

waiting to move

48.

Force = Mass x Acceleration. Solve this equation for Force.

F = 5kg x 20 m/s

a)

20 Newtons

b)

5 kg

c)

100 Newtons

d)

100 kg/m/s

49.

When a cannon fires the cannonball goes forward and the cannon flies backward. Why is this?

a)

The cannonball is light.

b)

The weight of the cannon is too heavy.

c)

Newtons 1st Law states that things move when acted on by a force.

d)

Newton's 3rd Law states that every action has an equal and opposite reaction.

50.

Preventing an asteroid collision is important because

a)

It could cause a mass extinction.

b)

They are interesting to research.

c)

It has minerals we can mine for money.

d)

We don't need to study asteroids.

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