“INTRODUCTION TO ENERGY” WORKSHEET
Name______KEY______________________________
Date _______________
Block______
Part 1. The two basic types of energy
Directions: Determine the best match between basic types of energy and the description provided. Put the correct
letter in the blank.
___b___1. A skier at the top of the mountain
(a) Kinetic Energy
___b___2. Gasoline in a storage tank
(b) Potential Energy
___a___3. A race-car traveling at its maximum speed
___a__4. Water flowing from a waterfall before it hits the pond below
___b___5. A spring in a pinball machine before it is released
___a___6. A match burning
Part 2. Potential Energy.
Directions: Underline the situation in each pair that has the greater amount of potential energy.
1.
A stretched or unstretched spring?
2. A ticking or newly wound-up clock?
3. A new battery in an unlit flashlight or in one which is lit?
4. A roller coaster car at the top of a hill or at the bottom?
5. A match before it is lit or a match while it is burning?
Part 3. Kinetic energy.
Directions: Underline the situation in each pair that has the greater amount of kinetic energy.
1.
A pole vaulter before jumping or in mid-air at the top of his jump?
2. A bowling ball when your arm is all the way back or as it hits the pins?
3. A baseball bat just before it is swung or right after it is swung?
4. You before you get out of bed in the morning or you when you go to bed at night?
5. A match before it is lit or a match while it is burning?
Part 4. Energy transfer
Directions: Write the prefix exo or endo on the space provided to describe the changes below.
____endo____ 1. The melting of candle wax
P
____exo______ 2. The burning of gasoline to produce carbon dioxide and water
____exo______ 3. The condensation of water into a liquid
____endo____ 4. Getting a suntan
____exo____ 5. Metabolism
C
P
C
C
____endo____ 6. Photosynthesis
C
7. In the margin of each situation above (part 4 only), place a “C” if the change was chemical and a “P” if the change
was physical.
Part 5. Forms of Energy Continued
Directions: Match the energy form(s) to the description provided. A few questions may have more than one
answer.
______a_______1. Falling rocks from the top of a mountain
(a) Mechanical
____c/d/g____2. Release of energy from the Sun
(b) Electrical
______a_______3. Energy used to throw a baseball
(c) Heat
______e_______4. Batteries
(d) Radiant
______b_______5. The energy that runs a refrigerator
(e) Chemical
______f/c_____6. Nuclear fission reactors
(f) Nuclear
______g_______7. The rumble of thunder from a storm
(g) Sound
______e_______8. Food before it is eaten
Part 6. Transformation of Energy
Directions: Use the following forms of energy to fill in the table below: mechanical, electrical, heat, radiant,
chemical, nuclear, and sound. The first one has been done for you.
ORIGINAL ENERGY
FINAL ENERGY FORM
FORM
1.
Electric motor
electrical
mechanical
2.
A battery that runs a moving toy
chemical
electrical
mechanical
3.
A solar panel on the roof of a house
radiant
electrical
4.
A nuclear power plant
nuclear
5.
Gasoline powering a car
chemical
heat
electrical
mechanical
6.
A light bulb
electrical
radiant/heat
radiant
chemical
7.
Photosynthesis