How does sound travel?
a. by wires
b. by electricity
c. through waves
d. through reflecting light
c. through waves
How is kinetic energy transferred?
a. through collisions
b. by electric current
c. when heat is generated
d. when solar energy is absorbed
a. through collisions
Who has the greatest velocity?
a. biker
b. jogger
c. runner
d. swimmer
a. biker
How do humans use light energy?
a. to hear
b. to see
c. to taste
d. to touch
b. to see
True or false:
An object cannot have both potential and kinetic energy.
False
Which has more velocity? A plane or a car?
A plane, it is faster
A phone charger shows what kind of energy?
A) electrical
B) light
C) sound
D) heat
A) electrical
Cars sitting in a parking lot show what kind of energy?
Potential
If 2 cars are going the same speed, but different directions, can they have the same velocity?
No. They have to be going the same speed and direction
A campfire shows what type of energy?
A) electrical
B) kinetic
C) sound
D) heat
D) Heat
A ball rolling down a hill shows what kind of energy?
Kinetic
Velocity is the ____ and direction of an object
Speed
What kind of energy do we use to walk?
Mechanical
Kinetic energy is measured by ___ and speed of an opbject
Mass