Energy and Sound

What is heat?

• Heat is a form of energy that can be transferred from one object to another due to a difference in temperature.

• Heat is a form of light energy

• Heat is a type of sound wave

• Heat is a type of solid matter

Name an artificial source of light.

• A lava flow

• The sun

• A campfire

• Bioluminescent organisms

Give an example of an artificial source of light.

• Fireflies

• LED lights

• Lamp

• Candles

What are some harmful effects of heat and light?

• Food poisoning

• Broken bones

• Sleeping

• Sunburn, heat stroke

What is sound energy?

• produced by vibrating sound waves.

• produced by the movement of air molecules.

• produced by the reflection of light waves.

• produced by the rotation of the Earth.

What are the properties of sound?

• Pitch, loudness, quality, and duration

• Taste, smell, touch, and sight

• Temperature, pressure, density, and volume

• Color, texture, shape, and size

How can sound be pleasant to hear?

• Overwhelming volume

• Piercing

• Harmonious, soothing, and not too loud or jarring

• Dissonant

What does it mean for a sound to be loud?

• Loudness of a sound has no relation to its intensity or amplitude.

• The loudness of a sound refers to the pitch or frequency of the sound waves.

• The loudness of a sound refers to the intensity or amplitude of the sound waves. A sound is considered loud when it has a high amplitude and is perceived as being strong or powerful.

• A sound is considered loud when it has a low amplitude and is perceived as being weak or feeble.

Is heat a form of energy? (Yes/No)

• No, it is a form of light

• No, it is a form of sound

• Yes

• No, it is a form of matter

Can light be harmful? (Yes/No)

• Yes

• Not at all

• Only in extreme cases

• No