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What kind of pitch does a coyote's howl have?
high
warm
low
How is sound made?
when an object vibrates
when light shines
when something is cold
What kind of pitch does a lion roar?
low
high
cold
What kind of pitch does a motorcycle have?
high
cold
low
What happens when light is blocked?
We hear sound.
It becomes bright.
There is a shadow.
What are three different forms of energy?
heat, sound, light
thunder, soil, rock
plants, water, air
Where does most of the light on Earth come from?
the moon
the Sun
stars
What kind of vibrations make a low pitch?
fast
slow
small
What kind of vibrations make a high pitch?
fast
big
slow
What do fire alarms tell you?
when to go to bed
warns about danger
to be quiet
What kind of vibrations make soft sounds?
big
slow
small
What kind of vibrations make loud sounds?
big
small
fast
What happens when an object stops vibrating?
It makes light.
It gets hot.
The sound stops.
Hoe can people use heat energy?
to make soft sounds
to warm their homes
to make things dark
What kind of energy makes things warm?
heat
light
sound
to move back and forth
vibrate
