The video tutorial covers the 8th-grade science topic of energy conservation and transfer. It includes questions on natural resources, fossil fuels, renewable vs non-renewable resources, and energy sources. The video explains the importance of conservation and identifies the most used energy sources. It also discusses the classification of metals as non-renewable resources. Each question is timestamped for easy navigation, and additional resources are provided for further study.

What is the main focus of this video?

• Mathematics and Algebra

• Biology and Ecosystems

• Energy Conservation and Transfer

• History of Ancient Civilizations

Which of the following is not considered a natural resource?

• Glass

• Copper

• Sand

• Water

Which of these is a fossil fuel?

• Solar Energy

• Wind Energy

• Geothermal Energy

• Coal

Which of the following is a renewable resource?

• Coal

• Oil

• Nuclear Energy

• Wind Energy

What is a characteristic of non-renewable resources?

• They are always available.

• They are unlimited.

• They can be replenished quickly.

• They take a long time to replace once used.

Which energy source is associated with radioactive waste?

• Solar Energy

• Biomass

• Wind Energy

• Nuclear Power

What is the most used energy source on Earth?

• Solar Energy

• Hydroelectric Energy

• Oil

• Natural Gas

Why is conservation important?

• To increase the use of fossil fuels

• To save non-renewable resources for future generations

• To encourage the development of big cities

• To reduce the cost of energy

Which is the most commonly used renewable energy source?

• Solar Energy

• Wind Energy

• Biomass

• Hydropower

What type of natural resource are metals?

• Living

• Fossil Fuels

• Renewable

• Non-renewable