Quiz about Review

Question 1

A person rolls a ball on a flat surface that suddenly slopes downward. Which most likely describes the motion of the ball?

Accepted Answer

. The ball speeds up as it travels on the downward slope.

Answer

The ball stops when it reaches the downward slope.

Answer

The ball slows down as it travels on the downward slope.

Answer

The ball changes directions as it travels on the downward slope.

Question 2

Which is the best example of friction?

Accepted Answer

applying brakes on a bicycle to slow down

Answer

getting wind in a sail to move forward

Answer

putting gas in a car to drive

Answer

falling apples from a tree to the ground

Question 3

If a person pushes against a ball and the ball moves, which is true?

Accepted Answer

The person is applying force to the ball.

Answer

The person is changing the mass of the ball.

Answer

The force of gravity is less than the mass of the ball.

Answer

The force of friction is greater than the force of gravity.

Question 4

A ball is rolled across a flat surface covered by carpet. Then, with same equal force, the ball is rolled on a flat, smooth surface. Which best explains why the ball rolls slower on the surface covered by carpet than on the smooth surface?

Accepted Answer

There is more friction between the ball and the carpet.

Answer

There is less gravity between the ball and the carpet.

Answer

There is less friction between the ball and the carpet.

Answer

There is more gravity between the ball and the carpet.

Question 5

Which best describes the distance an object moves in a given amount of time?

Accepted Answer

speed

Answer

gravity

Answer

momentum

Answer

friction

Question 6

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

Accepted Answer

distance and time

Answer

time and height

Answer

distance and inertia

Answer

height and distance

Question 7

The graph shows the motion of a soccer ball over time.

What most likely happened to the soccer ball at 20 meters?

Accepted Answer

The direction of the ball changed.

Answer

The mass of the ball changed.

Answer

The shape of the ball changed.

Answer

The speed of the ball changed.

Question 8

The graph shows the movement of four horses around a track.

Which horse will most likely reach a distance of 12 miles after six minutes?

Accepted Answer

Horse F

Answer

Horse E

Answer

Horse G

Answer

Horse H

Question 9

The graph below shows the motion of two objects, Object X and Object Y.

Which best describes the motion of objects X and Y at the point in time marked on the graph?

Accepted Answer

Object X has traveled farther than Object Y.

Answer

Object Y has been in motion longer than Object X.

Answer

Object X has been in motion longer than Object Y.

Answer

Object X has traveled more slowly than Object Y.

Question 10

The graph below shows the motion of a bike over time.

Which statement is true?

Accepted Answer

The speed of the bike is constant.

Answer

The bike is speeding up.

Answer

The bike is slowing down.

Answer

The speed of the bike is constantly changing.

Question 11

A force of the same strength is applied to each of the boxes shown in the diagrams.

Which best describes the motion of the boxes?

Accepted Answer

The 10-lb box will move faster than the 20-lb box.

Answer

The boxes will move at the same speed.

Answer

The boxes will move in opposite directions.

Answer

The 20-lb box will move faster than the 10-lb box.

Question 12

Which statement is true about the seesaw?

Accepted Answer

The seesaw will remain balanced when objects of the same weight are positioned on each end.

Answer

The seesaw will be unaffected by the weight of the objects on each end.

Answer

The seesaw will remain balanced when objects of different weights are positioned on each end.

Answer

The seesaw will become unbalanced when objects of the same weight are positioned on each end.

Question 13

If equal forces act in opposite directions on a resting object, what is the most likely result?

Accepted Answer

The object will remain at rest.

Answer

The object will move slowly in one direction.

Answer

The object will move quickly in one direction.

Answer

The object will move in one direction and then in the other direction.

Question 14

Gravity pulls things which way on the Earth?

Accepted Answer

down

Answer

up

Answer

over

Answer

under

Question 15

A pencil falls off of a desk. What moves the pencil toward the floor?

Accepted Answer

gravity

Answer

mass

Answer

friction

Answer

speed

Question 16

A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?

Accepted Answer

friction acting on the wagon

Answer

gravity acting on the wagon

Answer

the mass of the wagon

Answer

the mass of the child

Question 17

Which graph represent an object that is at rest?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 18

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

Accepted Answer

B) A process where scientists evaluate each other's work before publication

Answer

A) A method to ensure research is published quickly

Answer

C) A way to increase the number of citations for a paper

Answer

D) A system to reduce the cost of publishing scientific papers

Question 19

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 regardless of accuracy

Answer

C) To make the experiment appear more complex

Answer

D) To reduce the time spent on analysis

Question 20

Which of the following is a real-world application of reviewing scientific data?

Accepted Answer

B) Using data to make informed decisions in public health

Answer

A) Ignoring data that contradicts the hypothesis

Answer

C) Publishing data without verification

Answer

D) Collecting data without analysis

Question 21

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

Accepted Answer

A) To summarize existing research and identify gaps

Answer

B) To prove the researcher's hypothesis is correct

Answer

C) To list as many references as possible

Answer

D) To avoid conducting new experiments

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