Energy Transfer Basics

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📚 Part 1: Quick Check — Multiple Choice & Checkboxes

WALT: understand what energy transfer is and identify common examples.

Success criteria: I can choose correct definitions and identify everyday examples of energy transfer.

1. Which statement best describes energy transfer?

Energy moving from one place or form to another

Energy being created from nothing

Energy only stored and never moved

Energy that always disappears after use

2. Check all that apply: Which of the following are examples of energy transfer?

Heat moving from a hot mug to your hand

Chemical energy stored in an unused battery

Electrical energy powering a fan (motor)

Light from the sun warming bitumen on the road

A sealed thermos keeping coffee warm (no transfer)

3. Which model is most useful for describing how sound travels through air?

Particle model

Wave model

Electromagnetic model

None — sound does not travel through air

4. The law of conservation of energy means:

Energy cannot be created or destroyed, only transferred or transformed

Energy is always lost in every process

Energy always becomes heat

Energy increases in a closed system

✏️ Part 2: Short Answers & Activities

5. Give one natural example and one artificial example of energy transfer you have observed (briefly explain each):

6. Calculate efficiency:

A small motor uses 12 W of electrical power and delivers 9 W of useful mechanical power. What is the efficiency of the motor? Show your working.

7. Draw and label the energy transfers that occur in a battery-powered fan (include at least two forms of energy and one energy loss).

8. Write an investigable question about energy transfer you could test in a future inquiry. Start with: "How does ______ affect _______ when energy is transferred in _______?"

9. Exit card — In one or two sentences: name three types of energy transfer demonstrated today and one thing you'd like to investigate further.

Energy Transfer Basics

Energy Transfer Basics

📚 Part 1: Quick Check — Multiple Choice & Checkboxes

✏️ Part 2: Short Answers & Activities

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