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15 questions
How many percent of water comprises the Earth?
20%
70%
50%
45%
What makes planet Earth habitable?
The atmosphere holds carbon dioxide and other gases.
It has atmosphere that protects from radiation.
It has comfortable distance from the sun.
All of these.
What characteristics does the Earth have to maintain an organism’s body to survive?
Earth has volcanic activities to circulate nutrients.
Earth has sub-surface water or molten rock that can circulate and replenish nutrients for organisms.
Earth has a water cycle and atmosphere.
All of the these
Which distinct characteristic made Earth different from any other planet?
It is the only planet that turns around in space.
It is the only rocky planet.
It is the only planet that changes its structure.
It is the only planet that has a large amount of liquid water.
Which among the set of planets are called terrestrial?
Jupiter, Neptune, Uranus, Earth
Earth, Venus, Mars, Jupiter
Mercury, Venus, Mars, Earth
Jupiter, Saturn, Uranus, Neptune
Which among the set of planets are called Jovian?
Jupiter, Neptune, Uranus, Earth
Earth, Venus, Mars, Jupiter
Mercury, Venus, Mars, Earth
Jupiter, Saturn, Uranus, Neptune
What benefits does the Earth’s atmosphere give to endure life on Earth?
I. The atmosphere nourishes life on Earth;
II. The atmosphere protects Earth from meteorites;
III. The atmosphere gases blocks damaging ultraviolet light;
IV. The atmosphere reduce temperature extremes between day and night.
1 only
I and II
I, II, and III
I, II, III, and IV
Which statement does not describe planet Earth?
It has 70% water.
It has atmosphere made of nitrogen alone.
It is rocky, terrestrial planet.
It has solid and active surface
Earth can support the survival of organisms. What is/are the factor/s that make/s Earth habitable?
I. atmosphere
II. energy
III. temperature
IV. nutrient
I only
I and II
I, II, and III
I, II, III, and IV
What makes human and other living organisms capable to live on Earth?
Earth can provide food for the organism.
Earth’s temperature is mostly hot compared to other planets.
Earth can protect the organism from any possible threat.
Earth has the right amount of temperature, water, good atmosphere, and favorable climate.
In order for an organism to survive, nutrients are needed. What is/are the characteristic/s of
the planet Earth which transport and replenish nutrients for an organism to exist?
Earth has both water cycle and nitrogen cycle.
Earth has natural activities to circulate nutrients.
Earth has an atmosphere and ozone layer.
All of these
What is the reason why every living thing on Earth has the chance of survival?
Earth is covered with 65% water.
Earth has active volcanoes similar with those that are found in Venus.
Earth has ozone layer to protect living organisms from harmful radiation.
Earth thick atmosphere consisted mainly of carbon dioxide.
Are greenhouse gases helpful for the living organisms on earth? If yes, how? If not, why do you think so?
What makes Venus the hottest planet in our solar system? Explain it briefly.
How Ozone Layer helps planet Earth to sustain life?
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