Using Energy

Whales communicate using special vibrations and sounds. How is this possible?

• Whales have good hearing

• The energy can flow easily through water

• Whales make loud sounds that only other whales can hear

• The energy is transferred from one whale to another through sound

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NGSS.MS-PS4-2

Ally and Tyler want to test how the battery's stored energy affects the strength. Which result would the students see?

• Battery with high stored energy and high electric current is stronger

• Battery with the lower stored energy and more electric current will be weak

• Battery with high stored energy and less electric current will be weak

• Battery with lower stored energy and more electric current is strong

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Why can't we hear sounds in space?

• It is too cold

• There is too much matter

• Space is a vacuum

• Energy cannot travel in space

Wood is not an excellent thermal conductor because it doesn't conduct heat easily.

• True

• False

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NGSS.MS-PS3-3

Heat travels from the Sun to Earth through ________.

• Conduction

• Convection

• Radiation

• Conduction and convection

The path along which electrical current flows is called a circuit

• True

• False

Sound waves and states of matter are related by?

• Sound waves can't travel through states of matter

• Sound waves can travel through all the stages of matter

• Sound waves can travel through solids, but not gasses or liquids

• Sound waves can travel through liquids, but not solids or gasses

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NGSS.MS-PS4-2

A child, who was at a monster truck race could feel the vibrations even though she wasn't touching the trucks. Why?

• The noise was too loud

• She was sitting very close to the trucks

• The energy was transferred to her body through sound

• The trucks sent electrical currents through her body

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There are two reasons why a light bulb is used in a fish tank. What two reasons are they? Reason 1:

• The light transfers energy to water

• The light makes it easier to see in the tank

• The light helps keep the tank clean

• The light's energy provides food for the plants in the tank

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

There are two reasons why a light bulb is used in a fish tank. What two reasons are they? Reason 2:

• The light helps keep the tank clean

• The light makes it easier to see in the tank

• The light's energy increases the temperature of the water

• The light's energy provides food for the plants in the tank