Questions and answers
What is energy?
All questions and answers from this set. Physical Science energy test.
Questions: 14
Played: 410 times
Question 1
Which statements are true?
Energy cannot be destroyed or made.
True
Energy cannot be changed from one form to another.
False
Potential and kinetic energy cannot be exchanged into each other.
False
Question 2
Kinetic energy is:
motion relative
Question 3
Which of those are forms of kinetic energy?
thermal
electrical
light
Question 4
Match energy form with its source.
chemical energy
bonds between molecules
electrical energy
moving electrons
thermal energy
vibrating and moving of molecules
Question 5
Ability to do work is called:
energy
Question 6
What is the main source of energy on Earth?
Most of the energy used on Earth comes from the
sun
.Question 7
What form of energy is this?
Elevator at the highest floor of a building has high
potential
energy.Question 8
Is it kinetic or potential energy?
The faster an object is moving, the more
kinetic
energy it has.Question 9
Which law states that energy can neither be created nor destroyed - only converted from one form of energy to another?
Law of conservation of energy
Question 10
Complete the sentence.
The sun provides plants with
electromagnetic
energy, which plants convert into chemical
energy.Question 11
Is sound a form of energy?
yes
Question 12
What form of energy has a stretched rubber band?
potential
Question 13
What form of energy has a flying tennis ball?
kinetic
Question 14
What form of energy has air running out of flat tire?
kinetic