Which situation provides the best evidence that a chemical reaction has taken place?

Two solutions mixed in a beaker produce a solid.

A metal strip bends when heated.

A cold piece of glass breaks when placed in hot water.

A chemical completely dissolves in water and the temperature remains constant.

Which of the following states the Law of Conservation of Mass?

Mass cannot be created or destroyed in a chemical reaction.

Atoms are rearranged in a chemical reaction and some join new molecules.

Two compounds combine to form a new compound with different properties.

Energy is neither created nor destroyed in a chemical reaction.

When a substance is cooled, its particles typically

move slower and closer together

do not change size, and their motion does not change

becomes smaller, and their motion does not change

Which of the following are "universal" or "fundamental" forces?

Electromagnetic and gravitational

Which of the following explains the difference between speed and velocity?

Velocity has direction, and speed does not.

Velocity has motion, and speed does not.

Velocity involves time, and speed does not.

Velocity involves acceleration, and speed dos not.

Which of the following best represents force?

A push or a pull that is acting on an object.

A push or a pull that always causes motion.

A push or a pull that always causes acceleration.

A push or a pull acting without an object.

In a chemical equation, you cannot have NEW elements in the product side of the equation. This is BEST described by the fact that matter:

Cannot be created or destroyed.

Can be created but not destroyed.

Can be destroyed but not created.

Can be both created and destroyed.

When a firecracker explodes, chemical energy changes to light and sound energy. This is an example of how energy:

Can be transformed but not created or destroyed.

Can be transformed as well as created or destroyed.

Cannot be transformed, created, or destroyed.

Cannot be transformed and created, but can be destroyed.

Which of the following could be used to convert wind energy to electrical energy?

Rotating coils in a magnetic field.

Which of the following is example of potential energy?

All of these are examples of potential energy.

A baseball bat held motionless in the ready position.

An object at rest begins to move when:

An unbalanced, or net force, acts on it.

Forces are no longer acting on it.

An object at rest stays at rest no matter what.

Newton's 3rd Law states that:

For every action, there is an equal and opposite reaction.

An object in motion will stay in motion unless acted on by an unbalanced force.

The acceleration of an object depends on the mass of the object and the force applied to it.

Energy cannot be created or destroyed, only transferred.

In a vacuum, X-rays and gamma rays have the same:

Speed, which is the speed of light

Speed, which is the speed of sound

All waves have the ability to:

Travel at the speed of sound in a vacuum.

In which of the following situations is acceleration occurring?

A Prius rounding a curve driving at a constant speed of 55 mph.

A Ferrari driving at a constant speed of 100 mph.

An airplane traveling in a straight line at a constant speed.

In the periodic table, the rows are called ___________ and they tell us _________.

Periods, Number of energy levels

Groups, Number of valence electrons

Groups, Number of energy levels

Periods, Number of valance electrons

Physical Eoc

Quiz

•

Physics

•

10th - 12th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS2-2, MS-PS1-5, MS-PS3-5

+18

Standards-aligned

Charles Martinez

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the volume of an object that has a density of 1.98 grams per centimeter cubed and a mass of 78 g?

154.44 cm ^ 3

154.44 g/cm ^ 3

39.4 cm ^ 3

39.4 g/cm ^ 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The weight of a person on Earth is 6 times his or her weight on the Moon. What type of force is responsible for a person's weight?

Inertia

Electromagnetic

Gravitational

Mechanical

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A force of 20 N acts on a 5 kg block. What is the acceleration?

25 m/s

4 g

4 m/s/s

25 g

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What force is required to accelerate a car at a rate of 2 m/s/s if the car has a mass of 3000 kg?

1500 N

1500 g

6000 g

6000 N

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

An unknown substance has a mass of 37 grams and a volume of 10 cubic centimeters. What is the density of the unknown substance?

3.7 g

3.7 g/cm ^3

370 g

370 g/ cm ^3

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A gold bar was found to have a mass of 45 g. Gold has a density of 19.32 grams per cubic centimeters. What is the volume of the gold bar?

869.4 g

2.32 cm ^ 3

2.32 g

64 g

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When atoms covalently bond, they:

Gain protons

Lose protons

Share protons

Share electrons

Tags

NGSS.HS-PS1-1

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Physical Eoc

50 questions

What is the volume of an object that has a density of 1.98 grams per centimeter cubed and a mass of 78 g?

The weight of a person on Earth is 6 times his or her weight on the Moon. What type of force is responsible for a person's weight?

A force of 20 N acts on a 5 kg block. What is the acceleration?

What force is required to accelerate a car at a rate of 2 m/s/s if the car has a mass of 3000 kg?

An unknown substance has a mass of 37 grams and a volume of 10 cubic centimeters. What is the density of the unknown substance?

A gold bar was found to have a mass of 45 g. Gold has a density of 19.32 grams per cubic centimeters. What is the volume of the gold bar?

When atoms covalently bond, they:

Which type of bond is responsible for atoms of pure silver to remain bonded?

NaCl is a compound that results from what kind of bonding?

Which of the following is a physical property of gold?

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