Exploring Energy Conservation and Types of Energy for 14-Year-Old Science Students

Instructions

Read each question carefully and complete the activities. Write your answers in the spaces provided.

1. Law of Conservation of Energy
Explain the law of conservation of energy in your own words. What does it mean that "energy cannot be created or destroyed"? 2. Types of Energy
Match the following types of energy to their correct descriptions:
: Energy of motion
: Stored energy due to position or form
: Energy of heat
3. Energy from Stars
All stars, including our Sun, generate energy through the process of nuclear fusion. Explain how this process works:
Describe nuclear fusion and why it is important for stars. 4. Star Life Cycle
What happens to a massive star after it runs out of fuel? Describe the final stages of a star's life cycle:
Write a detailed explanation of the life cycle of a massive star and what remains after it dies. 5. Energy Transfer in the Universe
How does energy from stars make life on Earth possible? Think about the flow of energy from the Sun to our planet.
Describe how energy from stars supports life on Earth. 6. Star Composition
What are the primary elements that make up most stars? Use what you know about star formation and nuclear fusion to answer.
List the two main elements found in stars and explain their roles.