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Worksheets"Earth Sustains Life" Quiz E1.2
Total questions: 10
Worksheet time: 13mins
If _______ ever stopped producing energy, virtually all living things on planet Earth would die.
the Sun
wind turbines
the soil
the electric generator
If there were no water on Earth, would people be able to live here?
No; only plants can live without water.
No; humans as well as all other organisms need water to live.
Yes; humans would eat snow for water.
Yes; only plants must have water to survive.
Which of the following is a reason life on the outermost planets is less likely than life on planets nearer the Sun?
They have too little mass.
They have too much mass.
Their surfaces are extremely hot.
Their surfaces are extremely cold.
Which one of the following statements is true?
Earth is the only place in our solar system where greenhouse gasses affect the temperature.
Earth is the only place in our solar system where water can be found as a gas, liquid, and solid.
Earth is the only place in our solar system where active volcanoes can be found.
Earth's atmosphere is mostly made up of methane and hydrogen.
A major benefit of the atmosphere is that it helps to reflect some of the _______ from the Sun, which can be harmful to living organisms on Earth.
Water Vapor
Radiation
Carbon Dioxide
Acid Rain
Which of the following are reasons Earth sustains life?
1. Liquid Water.
2. Suitable amount of sunshine.
3. Breathable atmosphere
1 only.
1 and 2 only.
1 and 3 only.
1, 2 and 3.
The inner planets are smaller, ______________ and ______________ than the outer planets.
less dense, more gaseous
more dense, rockier
less dense, rockier
more dense, more gaseous
The Earth is formed in just the right place with just the right ingredients for life to flourish.
What is this "area" known as?
Outer Planets
Inner Planets
Habitable Zone
Solar System
Evidence of water had been discovered on the planet Mars.
What is significant about this discovery?
It proves that there is life on Mars.
It provides evidence that there may be life on Mars.
It proves there was an advanced civilization on Mars.
It provides evidence on an advanced civilization on Mars.
The ______ is a layer of air, made of gasses, that surrounds the Earth and protects humans from the Sun’s radiation.
atmosphere
photosphere
lithosphere
clouds
