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Name: _________________________________________ Date: __________ Class: ____
“ REVIEW OF ENERGY” Required Assessment for Test on Friday Jan 17
Part 1. The two basic States of Energy Directions: Determine the best match between basic states of energy and the description provided. Put the correct letter in the blank. ______1. A skier at the top of the mountain (a) Kinetic Energy ______2. Gasoline in a storage tank (b) Potential Energy ______3. A race-care traveling at its maximum speed (c) Both states of Energy ______4. Water flowing from a waterfall before it hits the pond below ______5. A spring in a pinball machine before it is released ______6. Burning a match ______7. A running refrigerator motor Part 2. Definitions of Energy. Directions: Write down the definition for each of the following terms. ENERGY: KINETIC ENERGY:
POTENTIAL ENERGY:
UNIT FOR ENERGY:
Part 3. Forms of Energy. Directions: Determine the type of energy for each form (Kinetic, Potential, or Both) and give an example. Form Definition Type (KE, PE, or Both) Example Thermal (heat) energy The energy contained in the _____________________ of an object’s particles. Radiant energy Energy of vibration of __________________ charged particles. Form of energy that can travel through a ___________________________. Electrical energy Energy of the flow of moving _________________. Chemical energy Energy stored in bonds of atoms and molecules: released through ________________ reactions. Nuclear energy Stored in the _________________ of an atom; released when nucleus splits or combines> Sound energy Energy carried on waves that causes the molecules of a material to ___________________. Sound is a special form of ____________________ energy. Mechanical Energy in an object due to is _________________ or ______________________.
Part 4. Forms of Energy Continued Directions: Match the energy form(s) to the description provided. A few questions may have more than one answer. _____________1. Falling rocks from the top of a mountain (a) Mechanical _____________2. Release of energy from the sun (b) Electrical _____________3. Energy contained in food (c) Thermal _____________4. Batteries (d) Radiant _____________5. The energy that runs a refrigerator (e) Chemical _____________6. Nuclear fission reactors (f) Nuclear _____________7. The rumble of thunder from a storm (g) Sound _____________8. Rubbing your hands together _____________9. Gasoline _____________10. Lightning Part 5. Transformation of Energy Directions: Use the following forms of energy to fill in the transformations below: mechanical, electrical, thermal, radiant, chemical, nuclear, and sound. 1) Windmill Energy Transformation: 2) Battery powered Flashlight Energy Transformation: 3) Microwave Energy Transformation: 4) Firecracker Energy Transformation:
Name: Answer Key Date: __________ Class: ____
“ REVIEW OF ENERGY” Required Assessment for Test on Friday Jan 17
Part 1. The two basic States of Energy Directions: Determine the best match between basic states 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-care traveling at its maximum speed (c) Both states of Energy C 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 or C 6. Burning a match A 7. A running refrigerator motor Part 2. Definitions of Energy. Directions: Write down the definition for each of the following terms. ENERGY: the ability to do work or cause change KINETIC ENERGY: the energy of motion POTENTIAL ENERGY: the energy stored in object by location or position UNIT FOR ENERGY: Joules (J) Part 3. Forms of Energy. Directions: Determine the type of energy for each form (Kinetic, Potential, or Both) and give an example. Form Definition Type (KE, PE, or Both) Example VARIES Thermal (heat) energy The energy contained in the MOVEMENT of an object’s particles.
KE HAND WARMER
Radiant energy Energy of vibration of ELECTRICALLY charged particles. Form of energy that can travel through a VACUUM(EMPTY SPACE)
KE LIGHT BULB
SHINING
Electrical energy Energy of the flow of moving ELECTRONS KE PLUG IN AN IRON Chemical energy Energy stored in bonds of atoms and molecules: released through CHEMICAL reactions.
PE FOOD/BATTERIES
Nuclear energy Stored in the NUCLEUS of an atom; released when nucleus splits or combines> FISSION/FUSION
PE NUCLEAR POWER
PLANT
Sound energy Energy carried on waves that causes the molecules of a material to VIBRATE Sound is a special form of MECHANICAL energy.
KE YELLING
Mechanical Energy in an object due to is MOTION or POSITION BOTH WIND UP TOY
Part 4. 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 D 2. Release of energy from the sun (b) Electrical E 3. Energy contained in food (c) Thermal E 4. Batteries (d) Radiant B 5. The energy that runs a refrigerator (e) Chemical F 6. Nuclear fission reactors (f) Nuclear G 7. The rumble of thunder from a storm (g) Sound A/C 8. Rubbing your hands together E 9. Gasoline B/C/D 10. Lightning Part 5. Transformation of Energy Directions: Use the following forms of energy to fill in the transformations below: mechanical, electrical, thermal, radiant, chemical, nuclear, and sound. 1) Windmill Energy Transformation: **MECHANICAL ELECTRICAL
- Battery powered Flashlight** Energy Transformation: **CHEMICAL ELECTRICAL
- Microwave** Energy Transformation: **ELECTRICAL
- Firecracker** Energy Transformation: CHEMICAL
RADIANT
THERMAL
RADIANT
THERMAL
RADIANT
THERMAL
SOUND
