Q:What gas is the main contributor to global warming from human activities?
A: Carbon dioxide (CO2)
Q: What do you call a living thing in an ecosystem?
A: An organism
Q: What are the 3 R's?
A: Reduce, Reuse, Recycle
Q: What is the main source of Earth's fresh water?
A: Glaciers and ice caps
Q: What type of energy comes from the sun?
A: Solar energy
Q: What human activity releases the most greenhouse gases?
A: Burning fossil fuels
Q: What is a group of the same species living in one area called?
A: Population
Q: Which material can be recycled: glass, plastic, or both
A: Both
Q: What is it called when harmful substances enter water?
A: Water pollution
Q: What does "renewable resource" mean?
A: A resource that can be replenished naturally
Q: What is the gradual increase in Earth's average temperature called?
A: Global warming
A: Producers
Q: What type of waste breaks down naturally?
A: Biodegradable waste
Q: What process cleans dirty water for reuse?
A: Water treatment
Q: Name one non-renewable resource
A: Coal / Oil / Natural gas
Q: What Layer if gases traps heat in Earth's atmosphere?
A: The greenhouse effect
Q: What do you call animals that eat both plants and animals?
A: Omnivores
Q: What is compost made from?
A: Food scraps and organic material
Q: What is runoff?
A: Water that flows over land carrying pollutants
Q: What is conservation?
A: Protecting and using resources wisely
Q: Name one major consequence of climate change on oceans
A: Rising sea levels / Ocean acidlification / Coral bleaching
Q: What is biodiversity?
A: The variety of life in an area
Q: What is the biggest problem with plastic in ocean?
A: It doesn't break down easily / harms marine life
Q: Name one major source of water pollution
A: Oil spills / agricultural runoff / industrial waste
Q: Name one way to reduce energy use at home
A: Turn off light / Use LED bulb / Unplug devices