IQWST PS2 Lessons 4-9 Assessment Review

Students were instructed to design an electrical circuit that transforms chemical energy to electrical energy to sound energy. Which equipment must be included in their circuit?

• battery, light bulb, switch

• battery, wire, buzzer

• portable heater, wire, battery

• solar panel, door bell, battery

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-5

Which statement is true about energy?

• All energy can only be transformed when it is in a chemical or mechanical form.

• Energy is always conserved.

• Energy is always lost.

• All energy only comes from the Sun.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A stone is placed in a thick rubber band. The rubber band is stretched and then released. The stone rises in the air and then falls down.

Which option correctly identifies an instance when potential energy is transformed into kinetic energy?

• releasing the rubber band

• stretching the rubber band

• stone reaching its highest point in the air

• stone rising in the air

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A fan has a motor that converts electrical energy into another form of energy that propels the fan blades.

Into which form of energy is electrical energy converted in a fan?

• heat

• light

• mechanical

• sound

A student wraps a metal sheet around a copper wire. She then hammers the metal sheet several times. The temperature of the sheet rises, and it becomes even more flat. Which type of energy transformation does the example involve?

• kinetic energy into heat energy

• potential energy into heat energy

• potential energy into chemical energy

• kinetic energy into chemical energy

Tags

NGSS.MS-PS3-5

Which process below is an example of an endothermic process?

• ice melting

• water freezing

• food digesting

• sugar burning

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student listens to the radio while doing homework. Which form of energy conversion occurs

in the radio?

• electrical to chemical energy

• electrical to heat energy

• electrical to mechanical energy

• electrical to sound energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

Mrs. Jones needs to purchase an object from the home improvement store that will convert electrical energy into light energy when it is added to a circuit. Which object should Mrs. Jones buy?

• bell

• dishwasher

• lamp

• speaker

As the clock runs out of time during a basketball game, a buzzer goes off to signal the end of the game.

Which form of energy does the buzzer produce to signal the end of the game?

• heat

• light

• mechanical

• sound

Amy lit a firework rocket that moved skyward and produced a burst giving off light and a loud sound.

Which statement is true about the energy transformation the firework underwent?

• The kinetic energy of the firework was transformed into chemical energy when moving skyward.

• The kinetic energy of the firework was transformed into potential energy when moving skyward

• The potential energy of the firework was transformed into kinetic energy when moving skyward.

• The potential energy of the firework was transformed into chemical energy when moving skyward.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5