Quiz about Review

Question 1

This graph shows the motion of an object. Which best describes the motion of the object?

Accepted Answer

It travels at constant speed and suddenly stops.

Answer

It is sitting still.

Answer

It is moving at a constant speed.

Answer

It continually increases its speed.

Question 2

Which graph depicts an object whose speed is increasing?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 3

Which information is needed to determine the speed of an object?

Accepted Answer

the distance the object travels and the time it takes to travel that distance

Answer

the weight of the object and the the pull of gravity on the object and the amount of time it travelsdistance it travels

Answer

the pull of gravity on the object and the amount of time it travels

Answer

the inertia of the object and the amount of force that is pushing it

Question 4

Which tools will be most helpful to a scientist measuring motion?

Accepted Answer

a compass, a stopwatch, and a measuring tape

Answer

a measuring tape, a stopwatch, and a thermometer

Answer

a stopwatch, a scale, and a thermometer

Answer

a scale, a compass, and a stopwatch

Question 5

A student puts four objects in a bucket filled with water. Which two objects are most likely less dense than the water? (5.5A)

Accepted Answer

Wood block and plastic ball

Answer

Wood block and metal paper clip

Answer

Plastic ball and glass marble

Answer

Metal paper clip and glass marble

Question 6

What best describes motion?

Accepted Answer

Change in position over time

Answer

Change of speed over time

Answer

Change of acceleration over time

Answer

Change in velocity over time

Question 7

Why do scientists use a reference point?

Accepted Answer

To determine if an object is in motion

Answer

To find information in the library

Answer

To know where they are

Answer

To measure speed

Question 8

Which best explains why the cyclists cannot be used as a good reference point?

Accepted Answer

A good reference point should not move

Answer

It is heading in the wrong direction

Answer

It is moving too slow

Answer

It is moving too fast

Question 9

When one force in a pair is greater than the other, we call this:

Accepted Answer

Unbalanced force

Answer

Balanced force

Answer

Magnitude

Answer

Friction

Question 10

When Anna tells her father that her bicycle is hard to pedal, he oils the chain. How does this make her bike easier to ride?

Accepted Answer

Friction on the bike has decreased

Answer

Friction on the bike has increased

Answer

Gravity on the bike has increased

Answer

Gravity on the bike has decreased

Question 11

A person is pushing a lawnmower. Which best describes what is occurring?

Accepted Answer

Force is being applied to the lawnmower

Answer

Inertia is being applied to the lawnmower

Answer

There is no friction acting on the lawn mower

Answer

There is no gravity acting on the lawn mower

Question 12

Some students are playing tug of war. A team is pulling to the right with 400 N of force. B team is pulling to the left with 140 N of force. What is the net force and what direction will the rope move?

Accepted Answer

260 N to the right

Answer

260 N to the left

Answer

540 N to the right

Answer

540 N to the left

Question 13

Two girls are pulling on opposite ends of a thick rope. Both girls are pulling on the rope with the same force but in opposite directions. If both girls continue to pull with the same force, what will MOST likely happen?

Accepted Answer

Both girls will stay in the same place

Answer

One girl will pull the other toward her

Answer

Gravity will cause the rope to sag

Answer

The rope will break

Question 14

In magnets like poles ________ and opposite poles ________

Accepted Answer

repel; attract

Answer

attract; attract

Answer

attract; repel

Answer

repeal; repel

Question 15

John stands at the top of a steep cliff and pushes a ball over the edge with his foot. Which force causes the ball to fall off the cliff.

Accepted Answer

Gravity

Answer

Mass

Answer

Friction

Answer

Air resistance

Question 16

A train is moving along a track. If the forces acting on the train are balanced, how will its motion be affected?

Accepted Answer

Continue, unchanged

Answer

Change direction

Answer

Speed up

Answer

Stop

Question 17

How does the motion of the two cars compare?

Accepted Answer

Car 1 is maintaining a constant speed, and Car 2 is speeding up.

Answer

Car 1 is slowing down, and Car 2 is speeding up.

Answer

Car 1 is not moving, and Car 2 is maintaining a constant speed.

Answer

Car 1 is speeding up, and Car 2 is maintaining a constant speed.

Question 18

The graph below shows the motion of a student riding a bike.

When did the speed of the bike increase the most?

Accepted Answer

between seconds 6 and 7

Answer

between seconds 1 and 2

Answer

between seconds 3 and 4

Answer

between seconds 9 and 10

Question 19

Abby recorded the distance and time of a ball rolling down a ramp in the table below.

Which best describes the motion of the ball?

Accepted Answer

The ball increases speed.

Answer

The ball does not move.

Answer

The ball decreases speed.

Answer

The ball rolls at a constant speed.

Question 20

Which of the following best describes the process of peer review in scientific research?

Accepted Answer

A) A method for scientists to evaluate each other's work before publication

Answer

B) A process where scientists review their own work for errors

Answer

C) A system for grading scientific papers by students

Answer

D) A way to publish scientific work without any evaluation

Question 21

In a scientific experiment, why is it important to review the data collected?

Accepted Answer

B) To identify any errors or anomalies in the data

Answer

A) To ensure the data supports the hypothesis

Answer

C) To make the data fit the expected outcome

Answer

D) To avoid publishing the results

Question 22

What is the primary purpose of a literature review in scientific research?

Accepted Answer

A) To summarize the current state of knowledge on a topic

Answer

B) To present new experimental data

Answer

C) To critique other scientists' work

Answer

D) To publish a new theory

Question 23

How does a systematic review differ from a traditional literature review in science?

Accepted Answer

A) It uses a structured and comprehensive approach to analyze all relevant studies

Answer

B) It focuses only on the most recent studies

Answer

C) It is conducted by a single researcher

Answer

D) It does not require a methodology section

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