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What kind of pitch does a coyote's howl have?
low
warm
high
How is sound made?
when an object vibrates
when light shines
when something is cold
What kind of pitch does a lion roar?
high
cold
low
What kind of pitch does a motorcycle have?
cold
high
low
What happens when light is blocked?
We hear sound.
It becomes bright.
There is a shadow.
What are three different forms of energy?
thunder, soil, rock
plants, water, air
heat, sound, light
Where does most of the light on Earth come from?
the moon
stars
the Sun
What kind of vibrations make a low pitch?
fast
slow
small
What kind of vibrations make a high pitch?
slow
fast
big
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?
fast
small
big
What happens when an object stops vibrating?
The sound stops.
It gets hot.
It makes light.
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?
sound
heat
light
to move back and forth
vibrate
