IS2 - Spring 2022 Final

Last updated almost 4 years ago

40 questions

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Library

IS2 - Spring 2022 Final

Last updated almost 4 years ago

40 questions

Section 1 - Conservation of Energy & Power

1

2

1

Section 2 - Electricity and Circuits

1

6

Draggable item		Corresponding Item

1

3

Draggable item		Corresponding Item

1

Section 3 - Magnets and Electromagnetism

Required

1

Required

1

Required

1

Required

1

Required

1

Section 4 - Waves

1

Use the diagram of a wave below to answer questions 29-30. Assume each box is equal to 1 meter.

1

Section 5: Space

Required

2

Required

1

Required

1

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1

Required

2

As the star approaches the observer, the star appears __________. This phenomenon is called a __________ star. 

Section 1 - Conservation of Energy & Power

At what point does the object have the most potential energy?

As Bob jumps off the couch, his potential energy equals 50 J. What is his kinetic energy if his total mechanical energy is still 150 J?

0 J

50 J

100 J

200 J

If the power rating of a incandescent light bulb is 60 Watts, then how much time does it take the light bulb to run to acheive 120 J of work?

0.5 seconds

2 seconds

4 seconds

Someone wearing skates on a horizontal surface is pushed by a friend with a force of 65 N. How far must the student be pushed in 30 seconds, so that her power is 352 W?

0.18 m

5.54 m

162.46 m

If it took the quarterback in the last problem 0.2 [s] to throw the football, what is the quarterback's power rating?

65 Watts

60 Watts

32.2 Watts

540 Watts

In which of the following is potential energy being transformed into kinetic energy?

A car accelerating on a levelroad.

A raindrop falling freely through the air.

A stone thrown up into the air.

Water turning an electric turbine.

Consider an object falling from a height of 300 m. If we ignore air resistance, its total mechanical energy:

increases during the fall

decreases during the fall

remains the same during the fall

is zero at the start of the fall

Section 2 - Electricity and Circuits

Which of the following is a subatomic particle with a negative charge which is found on the outside of an atom?

Ion

Proton

Neutron

Electron

Unlike charges will repel one another.

True

False

Which of the following options is the best conductor of an electrical current?

An organic material, such as wood or rubber.

A metal, such as mercury or copper.

A non-metal, such as oxygen or nitrogen gas.

A clear solid, such as glass or plastic.

Match the circuit diagram to the element it represents

Draggable item		Corresponding Item
		Battery
		Light Bulb
		Switch
		Resistor
		Voltmeter
		Ammeter

Which of the following descriptions best describes the circuit in the picture?

Open, series

Closed, parallel

Closed, series

Open, parallel

Which of the following descriptions best describes the circuit in the picture?

Closed, series

Closed, parallel

Open, series

Open, parallel

Match the unit of measurement to the quantity it measures.

Draggable item		Corresponding Item
Volts, [V]		Resistance to charge flow.
Ohm, [Ω]		Electrical current
Amperes, [A]		Voltage

Study the circuit above and answer the following question.

If an ammeter were placed in the same branch of the circuit as the bulb labelled #3, what current would it read?

3 Amperes

1 Ampere

2 Amperes

4 Amperes

Study the circuit above and answer the following question.

If an ammeter were placed after the junction after the bulb labelled #2, what current would it read?

1 Ampere

4 Amperes

2 Amperes

3 Amperes

What is the voltage across an electrical load which has a resistance of 39 Ohms and which has a current of 3 Amperes flowing through it?

0.1 Volts

36 Volts

13 Volts

117 Volts

A smartphone is connected to an external 24 Volt power supply. Calculate the current that the phone draws if it has a resistance of 8 Ohms.

24 Amperes

3 Amperes

0.33 Amperes

16 Amperes

A blender is connected to a 120 Volt power supply, and draws a current of 11.5 Amperes. What is the blender's resistance?

10.4 Ohms

111.5 Ohms

11.5 Ohms

0.1 Ohms

Section 3 - Magnets and Electromagnetism

If a magnet with two poles is cut in half, it will have only one pole

True

False

All metals are magnetic.

True

False

Similar poles of a magnet repel each other.

True

False

A magnetic force cannot act on an electron when it moves...

perpendicular to the magnetic field lines.

parallel to the magnetic field lines.

at an angle between 45 degrees and 90 degrees to the magnetic field lines.

at an angle between 90 degrees and 180 degrees to the magnetic field lines.

The north-seeking arrow of a compass points to the magnetic north pole.

True

False

Section 4 - Waves

What is the lowest point of a wave called?

crest

trough

frequency

amplitude

The regions of a wave where the particles are the CLOSEST together in a longitudinal wave are called

rarefactions

compressions

vibrations

The measurement from crest to crest or from trough to trough is called what?

amplitude

wavelength

reflection

frequency

What is the unit for frequency?

watt

hertz

sec

wav

Use the diagram of a wave below to answer questions 29-30. Assume each box is equal to 1 meter.

What is the wavelength (in m) of the wave above if each box is 1 meter long?

4 meters

8 meters

2 meters

1 meter

What is the amplitude (in m) of the wave above?

2 meters

4 meters

8 meters

1 meter

What is the frequency for a wave that has a velocity of 20 m/s and a wavelngth of 4 m?

5 Hz

80 Hz

0.2 Hz

24 Hz

Longitudinal waves ...

Carry the energy backwards and upwards related to the wave propagation

Carry the energy perpendicular to the wave propagation

Carry the energy backwards and forwards related to the wave propagation

Refraction is . . .

when light rays bounce off of a barrier

when light rays bend around an object

when light rays bend as they pass from one medium into another

when light rays are absorbed by a medium

The law of reflection states that . . .

the angle of reflection is twice the angle of incidence

the angle of incidence is equal to the angle of reflection

the angle of incidence is twice the angle of reflection

the incident ray will bend so much that it will turn back into the first medium

Section 5: Space

Order these astronomy vocabulary from the largest object to the smallest:

universe
galaxy
solar system
planet

As far as we know, there is only one of these. We've only been able to observe approximately 4% of its entire volume.

solar system

universe

galaxy

moon

A light year is the distance that light can travel in a year.

True

False

Which galaxy do we live in?

Andromeda

Milky Way

Cygnus A

Magellanic Clouds

Compared to the earth's solar system, the universe is:

younger and larger

younger and smaller

older and larger

older and smaller

As the star approaches the observer, the star appears __________. This phenomenon is called a __________ star. 

At what point does the object have the most potential energy?

A

B

C

D

E

As Bob jumps off the couch, his potential energy equals 50 J. What is his kinetic energy if his total mechanical energy is still 150 J?

0 J

50 J

100 J

200 J

If the power rating of a incandescent light bulb is 60 Watts, then how much time does it take the light bulb to run to acheive 120 J of work?

0.5 seconds

2 seconds

4 seconds

Someone wearing skates on a horizontal surface is pushed by a friend with a force of 65 N. How far must the student be pushed in 30 seconds, so that her power is 352 W?

0.18 m

5.54 m

162.46 m

If it took the quarterback in the last problem 0.2 [s] to throw the football, what is the quarterback's power rating?

65 Watts

60 Watts

32.2 Watts

540 Watts

In which of the following is potential energy being transformed into kinetic energy?

A car accelerating on a levelroad.

A raindrop falling freely through the air.

A stone thrown up into the air.

Water turning an electric turbine.

Consider an object falling from a height of 300 m. If we ignore air resistance, its total mechanical energy:

increases during the fall

decreases during the fall

remains the same during the fall

is zero at the start of the fall

Which of the following is a subatomic particle with a negative charge which is found on the outside of an atom?

Ion

Proton

Neutron

Electron

Unlike charges will repel one another.

True

False

Which of the following options is the best conductor of an electrical current?

An organic material, such as wood or rubber.

A metal, such as mercury or copper.

A non-metal, such as oxygen or nitrogen gas.

A clear solid, such as glass or plastic.

Match the circuit diagram to the element it represents

Battery

Light Bulb

Switch

Resistor

Voltmeter

Ammeter

Which of the following descriptions best describes the circuit in the picture?

Open, series

Closed, parallel

Closed, series

Open, parallel

Which of the following descriptions best describes the circuit in the picture?

Closed, series

Closed, parallel

Open, series

Open, parallel

Match the unit of measurement to the quantity it measures.

Volts, [V]

Resistance to charge flow.

Ohm, [Ω]

Electrical current

Amperes, [A]

Voltage

Study the circuit above and answer the following question.

If an ammeter were placed in the same branch of the circuit as the bulb labelled #3, what current would it read?

3 Amperes

1 Ampere

2 Amperes

4 Amperes

Study the circuit above and answer the following question.

If an ammeter were placed after the junction after the bulb labelled #2, what current would it read?

1 Ampere

4 Amperes

2 Amperes

3 Amperes

What is the voltage across an electrical load which has a resistance of 39 Ohms and which has a current of 3 Amperes flowing through it?

0.1 Volts

36 Volts

13 Volts

117 Volts

A smartphone is connected to an external 24 Volt power supply. Calculate the current that the phone draws if it has a resistance of 8 Ohms.

24 Amperes

3 Amperes

0.33 Amperes

16 Amperes

A blender is connected to a 120 Volt power supply, and draws a current of 11.5 Amperes.  What is the blender's resistance?

10.4 Ohms

111.5 Ohms

11.5 Ohms

0.1 Ohms

If a magnet with two poles is cut in half, it will have only one pole

True

False

All metals are magnetic.

True

False

Similar poles of a magnet repel each other.

True

False

A magnetic force cannot act on an electron when it moves...

perpendicular to the magnetic field lines.

parallel to the magnetic field lines.

at an angle between 45 degrees and 90 degrees to the magnetic field lines.

at an angle between 90 degrees and 180 degrees to the magnetic field lines.

The north-seeking arrow of a compass points to the magnetic north pole.

True

False

What is the lowest point of a wave called?

crest

trough

frequency

amplitude

The regions of a wave where the particles are the CLOSEST together in a longitudinal wave are called

rarefactions

compressions

vibrations

The measurement from crest to crest or from trough to trough is called what?

amplitude

wavelength

reflection

frequency

What is the unit for frequency?

watt

hertz

sec

wav

What is the wavelength (in m) of the wave above if each box is 1 meter long?

4 meters

8 meters

2 meters

1 meter

What is the amplitude (in m) of the wave above?

2 meters

4 meters

8 meters

1 meter

What is the frequency for a wave that has a velocity of 20 m/s and a wavelngth of 4 m?

5 Hz

80 Hz

0.2 Hz

24 Hz

Longitudinal waves ...

Carry the energy backwards and upwards related to the wave propagation

Carry the energy perpendicular to the wave propagation

Carry the energy backwards and forwards related to the wave propagation

Refraction is  . . . 

when light rays bounce off of a barrier

when light rays bend around an object

when light rays bend as they pass from one medium into another

when light rays are absorbed by a medium

The law of reflection states that . . . 

the angle of reflection is twice the angle of incidence

the angle of incidence is equal to the angle of reflection

the angle of incidence is twice the angle of reflection

the incident ray will bend so much that it will turn back into the first medium

Order these astronomy vocabulary from the largest object to the smallest:

universe

galaxy

solar system

planet

As far as we know, there is only one of these. We've only been able to observe approximately 4% of its entire volume.

solar system

universe

galaxy

moon

A light year is the distance that light can travel in a year.

True

False

Which galaxy do we live in?

Andromeda

Milky Way

Cygnus A

Magellanic Clouds

Compared to the earth's solar system, the universe is:

younger and larger

younger and smaller

older and larger

older and smaller

IS2 - Spring 2022 Final

IS2 - Spring 2022 Final

At what point does the object have the most potential energy?

As Bob jumps off the couch, his potential energy equals 50 J. What is his kinetic energy if his total mechanical energy is still 150 J?

If the power rating of a incandescent light bulb is 60 Watts, then how much time does it take the light bulb to run to acheive 120 J of work?

Someone wearing skates on a horizontal surface is pushed by a friend with a force of 65 N. How far must the student be pushed in 30 seconds, so that her power is 352 W?

If it took the quarterback in the last problem 0.2 [s] to throw the football, what is the quarterback's power rating?

In which of the following is potential energy being transformed into kinetic energy?

Consider an object falling from a height of 300 m. If we ignore air resistance, its total mechanical energy:

Which of the following is a subatomic particle with a negative charge which is found on the outside of an atom?

Unlike charges will repel one another.

Which of the following options is the best conductor of an electrical current?

Match the circuit diagram to the element it represents

Which of the following descriptions best describes the circuit in the picture?

Which of the following descriptions best describes the circuit in the picture?

Match the unit of measurement to the quantity it measures.

Study the circuit above and answer the following question.If an ammeter were placed in the same branch of the circuit as the bulb labelled #3, what current would it read?

Study the circuit above and answer the following question.If an ammeter were placed after the junction after the bulb labelled #2, what current would it read?

What is the voltage across an electrical load which has a resistance of 39 Ohms and which has a current of 3 Amperes flowing through it?

A smartphone is connected to an external 24 Volt power supply. Calculate the current that the phone draws if it has a resistance of 8 Ohms.

A blender is connected to a 120 Volt power supply, and draws a current of 11.5 Amperes. What is the blender's resistance?

If a magnet with two poles is cut in half, it will have only one pole

All metals are magnetic.

Similar poles of a magnet repel each other.

A magnetic force cannot act on an electron when it moves...

The north-seeking arrow of a compass points to the magnetic north pole.

What is the lowest point of a wave called?

The regions of a wave where the particles are the CLOSEST together in a longitudinal wave are called

The measurement from crest to crest or from trough to trough is called what?

What is the unit for frequency?

What is the wavelength (in m) of the wave above if each box is 1 meter long?

What is the amplitude (in m) of the wave above?

What is the frequency for a wave that has a velocity of 20 m/s and a wavelngth of 4 m?

Longitudinal waves ...

Refraction is . . .

The law of reflection states that . . .

Order these astronomy vocabulary from the largest object to the smallest:

As far as we know, there is only one of these. We've only been able to observe approximately 4% of its entire volume.

A light year is the distance that light can travel in a year.

Which galaxy do we live in?

Compared to the earth's solar system, the universe is:

Study the circuit above and answer the following question.

If an ammeter were placed in the same branch of the circuit as the bulb labelled #3, what current would it read?

Study the circuit above and answer the following question.

If an ammeter were placed after the junction after the bulb labelled #2, what current would it read?