Earth's Components and Conservation Methods

Anushri introduces a video celebrating Earth Day with a PowerPoint presentation. The video covers Earth's formation, characteristics, and the importance of Earth Day. It explains Earth's components, the significance of photosynthesis, and ways to protect the planet through sustainable practices like reducing, reusing, and recycling. The video concludes with a call to action to protect the Earth and links to additional resources.

What is the main theme of the video presented by Anushri?

• Discussing the history of Earth

• Talking about climate change

• Celebrating Earth Day with a PowerPoint presentation

• Explaining the solar system

How old is the Earth according to scientists?

• 3.5 billion years

• 4.5 billion years

• 5.5 billion years

• 6.5 billion years

What percentage of Earth's atmosphere is composed of oxygen?

• 25%

• 30%

• 21%

• 18%

Which of the following is NOT a component of Earth mentioned in the video?

• Stratosphere

• Hydrosphere

• Atmosphere

• Lithosphere

Why is Earth important for humans according to the video?

• It is closest to the sun

• It provides oxygen and water

• It is the largest planet

• It has the most moons

What process do plants use to produce oxygen?

• Respiration

• Condensation

• Evaporation

• Photosynthesis

Which of the following is NOT one of the 3 Rs mentioned in the video?

• Reduce

• Reuse

• Recycle

• Replenish

What is a suggested way to conserve water?

• Water plants excessively

• Use less water to reduce waste

• Leave taps running

• Use more water for cleaning

Why is education important for protecting Earth?

• It helps invent new ideas for recycling

• It increases the number of trees

• It reduces the Earth's temperature

• It increases the Earth's size

What is one benefit of planting trees mentioned in the video?

• Decreases oxygen levels

• Reduces pollution

• Increases global warming

• Increases soil erosion