Lesson 1 "Earth as a unique planet" (Q1)

Question 1

the only place in the universe that can support life

Answer 1

Earth

Question 2

Six Things That Make Life on Earth Possible
(No. 1)

Answer 2

Our location is far from many hazards.

Question 3

Six Things That Make Life on Earth Possible
(No. 2)

Answer 3

Our sun is a stable and long-lasting star

Question 4

Six Things That Make Life on Earth Possible
(No. 3)

Answer 4

We are at just the right distance from the sun.

Question 5

Six Things That Make Life on Earth Possible
(No. 4)

Answer 5

We have the right stuff to host a dynamic core.

Question 6

Six Things That Make Life on Earth Possible
(No. 5)

Answer 6

We have a big moon to stabilize our axial wobble.

Question 7

Six Things That Make Life on Earth Possible
(No. 6)

Answer 7

We have an ozone layer to block harmful ray.

Question 8

This contains a massive black hole and releases consistent bursts of radiation

Answer 8

galactic core

Question 9

How many light years are we (earth) away from galactic core?

Answer 9

30,000 light years away

Question 10

It helps it avoid that dangerous part
of the galaxy.

Answer 10

the solar system’s circular orbit

Question 11

Acts like a giant broom, sweeping the
solar system of debris rocks as small as cars and as huge as moons that could snuff out life in one fatal blow. AKA Big brother planet

Answer 11

Jupiter

Question 12

radiates light and heat, or solar
energy, which makes it possible for life to exist on Earth.

Answer 12

Sun

Question 13

The sun provides the earth with
energy estimated at over?

Answer 13

239 trillion
horsepower

Question 14

If there is no sun, there is no what?

Answer 14

No winds, ocean currents, or clouds to transport water

Question 15

Distance between earth and the sun

Answer 15

93 million miles or 150 million kilometers

Question 16

The earth orbits in so-called what?

Answer 16

Goldilocks Zone

Question 17

What is goldilocks zone?

Answer 17

Zone where the planet receives enough energy to allow WATER to exist as a liquid on its surface

Question 18

Percentage of bodies of water on earth

Answer 18

70%

Question 19

is an excellent temperature
stabilizer

Answer 19

Water!

Question 20

The interstellar cloud of gas and dust that gave rise to Earth contained what
radioactive elements?

Answer 20

potassium, uranium, and thorium

Question 21

it protects the planet from dangers like solar flares and solar wind

Answer 21

magnetic field

Question 22

The moon causes our planet what?

Answer 22

Tides

Question 23

What happens if the moon is too close to our planet?

Answer 23

It would result to HUGE TIDES
which would overflow onto the lowlands, causing great flooding.

Question 24

It is a gas in the atmosphere that protects everything living on the Earth from
harmful ultraviolet (UV) rays from the sun

Answer 24

Ozone (O3)

Question 25

What percentage of Nitrogen does atmosphere have?

Answer 25

78%

Question 26

What percentage of Oxygen does atmosphere have?

Answer 26

21%

Question 27

What percentage of Argon does atmosphere have?

Answer 27

0.9%

Question 28

Greenhouse gases

Answer 28

Carbon Dioxide Nitrous oxides Methane

Question 29

What is the use of gases in the atmosphere?

Answer 29

These gases trap the sun’s heat to keep the planet warm