Grade 4 Science learners apply energy chains and conservation in this advanced worksheet. Four multiple-choice questions explore bicycles, desk lamps, conservation of energy, and electric ovens. Five fill-in questions reinforce ideas such as bouncing balls losing energy as heat, vibrating guitar strings producing sound, and energy at the start of a chain equalling energy at the end. Hints and answers support deep mastery of NGSS 4-PS3 concepts.
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Energy: Forms and Transfer
Part A: Multiple Choice
Circle the best answer for each question.
1. A child pedals a bicycle up a hill. Which energy chain matches what happens?
A) Light to chemical to motion to potential energy
B) Chemical (in food) to motion (pedaling) to kinetic and potential energy of the bike
C) Sound to electrical to potential energy
D) Heat to chemical to light energy
2. Why does a desk lamp feel warm after being on for a while, even though it is meant to give off light?
A) Some electrical energy is changed into heat energy as well as light
B) All electrical energy becomes only sound energy
C) The lamp creates new energy out of nothing
D) The lamp turns light energy into chemical energy
3. Which statement best matches the idea of conservation of energy in Grade 4 Science?
A) Energy disappears when a battery runs out
B) Energy can only be created by big machines
C) Energy is never made or destroyed; it only changes form
D) Energy only exists in moving objects
4. An electric oven cooks a pizza. Which best describes the main energy transfer to the pizza?
A) The pizza loses chemical energy to the air
B) Electrical energy in the oven becomes heat energy that transfers to the pizza
C) Light energy from the pizza becomes electrical energy
D) Sound energy from the oven becomes chemical energy in the pizza
Part B: Fill in the Blank
Write the correct answer on each line.
1. When a bouncing ball loses height with each bounce, energy is being transferred to the ground and the air, mostly as heat energy.
2. A guitar string changes motion energy into sound energy that travels to your ears.
3. In a complete energy chain, the total amount of energy at the start equals the total amount at the end.
4. A hand-cranked flashlight first turns motion energy into electrical energy, then into light energy.
5. Even though useful energy seems to disappear, it has often turned into heat energy that spreads out into the surroundings.
Energy: Forms and Transfer
★ Part A: Multiple Choice
Circle the best answer for each question.
1. A child pedals a bicycle up a hill. Which energy chain matches what happens?
A) Light to chemical to motion to potential energy
B) Chemical (in food) to motion (pedaling) to kinetic and potential energy of the bike
C) Sound to electrical to potential energy
D) Heat to chemical to light energy
2. Why does a desk lamp feel warm after being on for a while, even though it is meant to give off light?
A) Some electrical energy is changed into heat energy as well as light
B) All electrical energy becomes only sound energy
C) The lamp creates new energy out of nothing
D) The lamp turns light energy into chemical energy
3. Which statement best matches the idea of conservation of energy in Grade 4 Science?
A) Energy disappears when a battery runs out
B) Energy can only be created by big machines
C) Energy is never made or destroyed; it only changes form
D) Energy only exists in moving objects
4. An electric oven cooks a pizza. Which best describes the main energy transfer to the pizza?
A) The pizza loses chemical energy to the air
B) Electrical energy in the oven becomes heat energy that transfers to the pizza
C) Light energy from the pizza becomes electrical energy
D) Sound energy from the oven becomes chemical energy in the pizza
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) When a bouncing ball loses height with each bounce, energy is being transferred to the ground and the air, mostly as heat energy.
2) A guitar string changes motion energy into sound energy that travels to your ears.
3) In a complete energy chain, the total amount of energy at the start equals the total amount at the end.
4) A hand-cranked flashlight first turns motion energy into electrical energy, then into light energy.
5) Even though useful energy seems to disappear, it has often turned into heat energy that spreads out into the surroundings.
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9 Questions
12-18 minutes
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