RESOURCES & ECOSYSTEMS
Which is a biotic factor?
A) Rock
B) Water
C) Tree
D) Sunlight
C) Tree
Dirty smoke mixed with fog in cities is called ______.
Smog
Which gas is a greenhouse gas?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Helium
B) Carbon dioxide
During Earth Hour, people usually:
A) Plant trees
B) Turn off lights
C) Stop using water
D) Close schools
B) Turn off lights
Which eco-house feature produces electricity from sunlight?
Solar panels
Resources that nature can replace are called __________ resources.
Renewable
Which pollution is caused by chemicals entering rivers and lakes?
A) Noise pollution
B) Water pollution
C) Light pollution
D) Air pollution
B) Water pollution
The increase in Earth’s average temperature is called _________.
global warming
Earth Day is celebrated every year on:
April 22
________ helps eco-houses stay warm in winter and cool in summer
Insulation
Which pair contains ONLY abiotic factors?
A) Grass and rabbit
B) Water and sunlight
C) Tree and soil
D) Fish and water
B) Water and sunlight
Rain mixed with harmful gases from factories is called ______ ______.
acid rain
Which is a consequence of climate change?
A) Stronger storms
B) Cleaner air everywhere
C) Less flooding
D) Cooler oceans
A) Stronger storms
Which action would MOST reduce a person’s carbon footprint?
A) Using public transport
B) Burning more coal
C) Leaving lights on all day
D) Using more plastic bags
A) Using public transport
Why do some eco-houses collect rainwater?
A) To increase pollution
B) To save and reuse water
C) To heat the house
D) To produce plastic
B) To save and reuse water
Coal and oil are examples of __________ resources.
Non-renewable
What happens during bioaccumulation?
A) Animals become extinct immediately
B) Harmful chemicals slowly build up in organisms
C) Forests grow faster
D) Oceans become cleaner
B) Harmful chemicals slowly build up in organisms
Cities becoming hotter because roads and buildings trap heat is called the urban heat ______ effect.
Island
Meeting present needs without harming future generations is called _____________.
Sustainability
An eco-house built partly underground is called an ______-sheltered house.
Earth
Which situation is the BEST example of conservation?
A) Cutting down all trees in a forest
B) Protecting resources while still using them carefully
C) Leaving all land completely untouched forever
D) Burning waste in oceans
B) Protecting resources while still using them carefully
What is the MAIN difference between conservation and preservation?
A) Conservation allows careful use of resources, preservation avoids human use
B) Preservation uses more resources
C) Conservation damages ecosystems
D) There is no difference
A) Conservation allows careful use of resources, preservation avoids human use
Why do greenhouse gases increase global warming?
A) They block sunlight completely
B) They trap heat in Earth’s atmosphere
C) They create more oxygen
D) They cool the oceans
B) They trap heat in Earth’s atmosphere
Which action BEST supports sustainability?
A) Using renewable energy and recycling materials
B) Increasing fossil fuel use
C) Cutting forests without replanting
D) Throwing plastic into oceans
A) Using renewable energy and recycling materials
Which group contains ONLY eco-house features?
A) Wind turbines, insulation, oil generators
B) Recycled walls, wind turbines, smoke chimneys
C) Solar panels, rainwater collection, green roof
D) Composting, smoke chimneys, natural ventilation
C) Solar panels, rainwater collection, green roof