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