What do you think the cyclist is doing between 11am and 1pm?

The cyclist has stopped for lunch

The cyclists is riding at a constant speed on flat ground

The cyclist is practicing sprints

The cyclist is riding up a hill

1. Paula pushes a skateboard and it gradually slows down to a stop. Why does the skateboard come to a stop?

Friction and gravity slow the skateboard.

Gravity alone stops the skateboard.

Paula did not push the skateboard with enough force.

The skateboard has positive acceleration.

1. Adam is studying forces in the lab. If he applies an unbalanced force to an object, what could happen?

The object's speed, direction, or both can change.

Only the object's speed can change.

Only the object's direction can change.

Neither the object's speed nor direction can change.

Mechanical energy is the sum of two types of energy—kinetic energy and potential energy of position. Which of the following is an example of an object that has kinetic energy?

a computer monitor sitting on a desk

a tightly wound spring in a windup toy

a roller coaster car just before it goes downhill

Mechanical energy is the sum of two types of energy—kinetic energy and potential energy of position. Which of the following is an example of an object that has potential energy?

a computer monitor sitting on a desk

a roller coaster car going downhill

The picture shows a train as it approaches a hill. This train can only make it over the hill if it approaches at its top speed because it will lose speed as it climbs. What changes are taking place in the train’s potential and kinetic energy as it climbs the hill?

The train’s potential energy is increasing, and its kinetic energy is decreasing

The train’s potential energy is increasing, and its kinetic energy is increasing

The train’s potential energy is decreasing, and its kinetic energy is increasing

The train’s potential energy is decreasing, and its kinetic energy is decreasing

The picture shows a train as it approaches a hill. This train can only make it over the hill if it approaches at its top speed because it will lose speed as it climbs. What changes are taking place in the train’s potential and kinetic energy as it goes down the hill?

The train’s potential energy is decreasing, and its kinetic energy is increasing

The train’s potential energy is increasing, and its kinetic energy is increasing

The train’s potential energy is increasing, and its kinetic energy is decreasing

The train’s potential energy is decreasing, and its kinetic energy is decreasing

Why is the gravity on Earth greater than the gravity on Mars?

Mars has a smaller radius than Earth.

Earth has less surface area than Mars.

Earth has a thicker atmosphere than Mars.

Why does runner A have the fastest constant speed?

Because the angle of the line is more vertical

Because the angle of the line is more horizontal

Because the angle of the line is curved

Because the angle of the line is horizontal

Why does runner C have the slowest constant speed?

Because the angle of the line is more horizontal

Because the angle of the line is more vertical

Because the angle of the line is curved

Because the angle of the line is horizontal

According to the graph, which of the following statements is TRUE?

The object is stopped at 4 seconds

The object is moving away from the start during 7 seconds

The object is moving at a constant speed at 3 seconds

The object is moving closer the start at 1 second

According to the graph, which of the following statements is TRUE?

The object is moving away from the start during 2 seconds

The object is stopped at 7 seconds

The object is moving at a constant speed at 2 seconds

The object is moving closer the start at 4 seconds

Which of these answers describes Earth’s atmosphere?

the mixture of gases that surrounds Earth

all living and once-living things

a mixture of nickel and iron below the mantle

all the salt and fresh liquid water on Earth’s surface

Which of these parts of the Earth system are interacting when Florida’s orange trees grow?

biosphere, hydrosphere, and atmosphere

geosphere, cryosphere, and atmosphere

biosphere, hydrosphere, and cryosphere

cryosphere, atmosphere, and hydrosphere

How are the convection currents in the lava lamp different than convection currents in the atmosphere?

The earth gets its heat from the sun and the lava lamp gets its heat from the light bulb below.

warm air in the atmosphere sinks instead of rises

Convection cells in the atmosphere flow in the same direction instead of opposite

Cold air is less dense instead of being more dense.

What causes global convection currents

uneven heating of the Earth's surface

Which of the following is true about the unequal heating of land (sand) and water?

land/sand heats up and cools off faster than water

water heats up and cools off faster than land/sand

land and water heat and cool at the exact same rate

What causes winds to form on Earth?

uneven heating of the Earth by the sun

PMA Standards

Quiz

•

Science

•

6th - 7th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS3-1, MS-ESS2-6, MS-PS2-4

+33

Standards-aligned

Amarilys Brewer

Used 91+ times

FREE Resource

76 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Debbie is experimenting with static electricity. She rubs a balloon on the carpet and then records how long the balloon sticks to the wall.
What is the best reason another person should repeat this experiment?

to make sure the results are accurate

to find out if static electricity is dangerous

to check that she did not use glue or tape

to check that she recorded her data correctly

Tags

NGSS.MS-PS2-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Avi is comparing two brands of batteries. He uses two identical flashlights to see which battery lasts longer. What is the best reason for this experiment to be repeated?

to check whether the results are consistent

to make sure the flashlights were not broken

to check that no one turned off one of the flashlights

to make a prediction about a different brand of battery

Tags

NGSS.MS-PS2-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1. Forces that act at a distance include electrical force and gravitational force. What other type of force acts at a distance?

Friction

Contact Force

Magnetic Force

Conduction

Tags

NGSS.3-PS2-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1. The ball in the diagram below is thrown up into the air and follows the path shown. What causes the ball to follow the path beyond Point B?

Power

Gravity

Electrical Charge

Magnetic Attraction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1. Luis rubbed a balloon on his hair and held the balloon next to the wall. He observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall?

Gravity

Friction

Magnetic Force

Electrical Force

Tags

NGSS.3-PS2-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a Force?

The distance

Mass

A push or pull

Give me a failing grade

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the force that causes objects to fall to Earth?

Air resistance

Gravity

Water resistance

Pressure

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

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PMA Standards

76 questions

Debbie is experimenting with static electricity. She rubs a balloon on the carpet and then records how long the balloon sticks to the wall.
What is the best reason another person should repeat this experiment?

Avi is comparing two brands of batteries. He uses two identical flashlights to see which battery lasts longer. What is the best reason for this experiment to be repeated?

1. Forces that act at a distance include electrical force and gravitational force. What other type of force acts at a distance?

1. The ball in the diagram below is thrown up into the air and follows the path shown. What causes the ball to follow the path beyond Point B?

1. Luis rubbed a balloon on his hair and held the balloon next to the wall. He observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall?

What is a Force?

What is the force that causes objects to fall to Earth?

Speed is equal to

What is this graph showing?

How will this object move?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

PMA Standards

76 questions

Debbie is experimenting with static electricity. She rubs a balloon on the carpet and then records how long the balloon sticks to the wall. What is the best reason another person should repeat this experiment?

Avi is comparing two brands of batteries. He uses two identical flashlights to see which battery lasts longer. What is the best reason for this experiment to be repeated?

1. Forces that act at a distance include electrical force and gravitational force. What other type of force acts at a distance?

1. The ball in the diagram below is thrown up into the air and follows the path shown. What causes the ball to follow the path beyond Point B?

1. Luis rubbed a balloon on his hair and held the balloon next to the wall. He observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall?

What is a Force?

What is the force that causes objects to fall to Earth?

Speed is equal to

What is this graph showing?

How will this object move?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Debbie is experimenting with static electricity. She rubs a balloon on the carpet and then records how long the balloon sticks to the wall.
What is the best reason another person should repeat this experiment?