Energy Transformations Students Notes

Multiple Choice

Why is it important to understand energy transformations in our daily lives?

• Because energy transformations help us use resources efficiently

• Because energy transformations are only found in science labs

• Because energy transformations are not relevant to everyday life

• Because energy transformations always waste energy

Multiple Choice

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Multiple Select

Which of the following are examples of kinetic energy?

• Thermal energy

• Nuclear energy

• Chemical energy

• Radiant energy

Multiple Choice

Kinetic energy is the energy of __________

• Motion

• Resting/Stored

Multiple Choice

Gravitational Potential Energy (E_p) is...

• the energy stored in a stretched object

• the energy stored in an electrically charged object

• the energy stored in a frozen object

• the energy stored in a raised object

Multiple Choice

Based on the energy chain diagram, what is the sequence of energy transfer from the sun to a consumer product?

• Solar energy → Grass → Livestock → Consumer product

• Solar energy → Livestock → Grass → Consumer product

• Grass → Solar energy → Livestock → Consumer product

• Livestock → Grass → Solar energy → Consumer product

Multiple Choice

Which of the following transformations occur when electrical energy is transferred to a curling iron?

• Electrical to light

• Electrical to sound

• Electrical to chemical

• Electrical to heat

Multiple Choice

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

Multiple Choice

The food we eat has _______________ potential energy because as our body digests it, it provides us with energy for basic metabolism.

• gravitational

• elastic

• nuclear

• chemical

Multiple Choice

The picture shows a lamp. Which three forms of energy is the lamp using?

• heat, light, and sound

• electrical, light, and heat

• mechanical, sound, and light

• light, mechanical, and electrical

Multiple Choice

What energy transformations take place when a battery-operated radio is in use?

• Electrical to chemical to light
• Sound to chemical to mechanical
• Chemical to electrical to sound
• Light to electrical to thermal

Multiple Choice

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

Multiple Choice

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• solar
• light
• thermal
• mechanical