Characteristics of the Solar System (01) 6th Grade

Question 1

Magnetic Lines of force from Earth's polar north and south, acting like a giant magnet

Accepted Answer

Earth's Magnetic field

Question 2

If Earth were much smaller, it would not support life because it would not have enough mass to

Accepted Answer

have sufficient gravity to hold an atmosphere.

Question 3

Earth's atmosphere is mostly made of

Accepted Answer

Nitrogen and Oxygen

Question 4

Gas in the Earth's atmosphere that absorbs most of the damaging ultraviolet radiation from sun

Accepted Answer

Ozone layer

Question 5

Each of these is a potential harm from the Sun EXCEPT

Accepted Answer

Heat and Light

Question 6

What characteristics of Jupiter explains why Jupiter does not support life, while Earth does?

Accepted Answer

has virtually no water on the surface.

Question 7

What characteristics of a planet will influence whether its temp. will be suitable to life?

Accepted Answer

The distance from the Sun of its orbit

Question 8

The habitable zone for the star is about 225 mil. km away. Which planet can support life?

Accepted Answer

Planet Y

Question 9

What discovery about Mars suggests conditions that may have once supported life? Mars has

Accepted Answer

small amounts of water in the soil.

Question 10

The magnetic field of Earth protects life against -

Accepted Answer

harmful particles in solar winds.

Question 11

Area that deflects and traps harmful particles that stream from the Sun due to the solar wind

Accepted Answer

Magnetosphere

Question 12

What data could be collected, that gives scientists info about if life exists on that planet?

Accepted Answer

The presence of an atmospheric ozone layer

Question 13

Layer of ozone in upper atmosphere of Earth is important to life because it shields Earth from

Accepted Answer

ultraviolet radiation.

Question 14

Earth is 150 mil. km from the Sun. If it was 200 mil. km away, it wouldn't support life because

Accepted Answer

the temperature would be too cold.

Question 15

Which one of these is NOT a requirement for life to exist?

Accepted Answer

Presence of Rocks

Question 16

What characteristics of the planet, Earth, is essential to the survival of living organisms?

Accepted Answer

Earth has abundant available water.

Question 17

How many stars are in the universe?

Accepted Answer

billions

Question 18

What is the most important factor that determines Earth’s temperature?

Accepted Answer

Proximity to the Sun

Question 19

Ozone contributes to supporting life on earth by blocking -

Accepted Answer

ultraviolet light.

Questions 19