Exploring Space and Earth

What is the name of the first human to walk on the moon?

• Buzz Aldrin

• Michael Collins

• John Glenn

• Neil Armstrong

Which planet is known as the Red Planet?

• Venus

• Jupiter

• Saturn

• Mars

What is the largest planet in our solar system?

• Venus

• Mars

• Saturn

• Jupiter

What is the layer of gases surrounding the Earth called?

• ionosphere

• atmosphere

• stratosphere

• ozone layer

What is the primary gas in Earth's atmosphere?

• oxygen

• carbon dioxide

• nitrogen

• helium

What is the process by which plants convert carbon dioxide into oxygen?

• photosynthesis

• respiration

• transpiration

• combustion

What is the term for a community of living organisms and their environment?

• ecosystem

• population

• habitat

• biosphere

What is the main cause of climate change?

• Deforestation

• Greenhouse gas emissions

• Volcanic activity

• Solar radiation

What is the renewable energy source that uses sunlight to generate electricity?

• wind energy

• geothermal energy

• solar energy

• hydroelectric energy

What is the renewable energy source that harnesses the power of flowing water?

• solar power

• wind power

• geothermal energy

• hydropower