Sun as the Main Source of Energy

Question 1

The Sun is the Earth’s _____ ___ ___ ______.

Answer 1

MAIN SOURCE OF ENERGY

Question 2

The Sun powers many of the???

Answer 2

processes on the planet.

Question 3

The process that involves the capture and use of the sun’s energy to create biological compounds is called?

Answer 3

PHOTOSYNTHESIS

Question 4

During photosynthesis, when the sun shines, the plants capture _____ and obtain ____ _____ from the atmosphere and ______ in the soil.

Answer 4

SUNLIGHT
CARBON DIOXIDE
WATER

Question 5

During photosynthesis, plants produce ____ and _____ which are essential for living organisms.

Answer 5

SUGAR AND OXYGEN

Question 6

Photosynthesis ONLY PERSISTS IF?

Answer 6

the sun is present and shining!

Question 7

What is albedo?

Answer 7

The ABILITY of a material to reflect light.

Question 8

a ____ albedo means that a material can reflect light MORE.

Answer 8

HIGH!!!!!

Question 9

___ surfaces have a LOW albedo.

Answer 9

BLACK

Question 10

In the albedo scale, the values CLOSER TO 0 means that a
the material REFLECTS all the light.

Answer 10

FALSE! IT ABSORBS ALL THE LIGHT.

Question 11

In the albedo scale, the values CLOSER TO 1 means that a material ABSORBS all the light.

Answer 11

FALSE! IT REFLECTS ALL THE LIGHT

Question 12

What is the primary source of energy of the Earth?

Answer 12

SUN!

Question 13

____ ____ warms the Earth.

Answer 13

Solar energy

Question 14

Solar energy is one of the ____ ____ of weather and climate.

Answer 14

DRIVING FORCES

Question 15

The sun’s energy is transferred across an empty space or _____ to Earth’s surface through ______.

Answer 15

VACUUM
RADIATION!

Question 16

What is radiation?

Answer 16

It is the transfer of heat through ELECTROMAGNETIC waves.

Question 17

_____ is essential in regulating Earth’s temperature.

Answer 17

HEAT

Question 18

Sunlight converts molecule precursors in your skin to produce ___, which is responsible for ____ maintenance.

Answer 18

VITAMIN D
BONE

Question 19

This is the process by which green plants and certain other
organisms transform LIGHT energy into CHEMICAL energy.

Answer 19

PHOTOSYNTHESIS

Question 20

Solar energy is a ____ resource.

Answer 20

RENEWABLE RESOURCE

Question 21

Through the advancement of technology, people can now
harness solar energy by means of _____ ______.

Answer 21

SOLAR PANELS

Question 22

If there is no sunlight, there will be a ____ ____ between plants to herbivores to humans.

Answer 22

DOMINO EFFECT

Question 23

The utilization of solar energy, when compared to fossil fuels, is
BETTER because it is _____ and the equipment maintenance cost is ______.

Answer 23

CLEANER AND MINIMAL

Question 24

The Earth’s ____ ____ needs to ensure that
absorbed solar radiation is balanced with the radiated ones.

Answer 24

ENERGY BUDGET

Question 25

Keeping Earth’s energy budget ensures that the _____ temperature on Earth remains _____ and that life continues to exist.

Answer 25

AVERAGE
STABLE

Question 26

What is Earth’s energy budget?

Answer 26

It is the balance of energy absorbed and energy reflected.

Question 27

30% of the energy is REFLECTED back to space by the clouds, atmosphere, and light-colored areas.

Answer 27

TRUE

Question 28

70% of the energy is ABSORBED atmosphere, land, and oceans.

Answer 28

TRUE

Question 29

All this solar energy absorbed by the atmosphere, air, land and oceans MUST NOT be radiated back to space.

Answer 29

FALSE. they MUST.

Question 30

Energy in should ALWAYS equal to energy out.

Answer 30

TRUE

Question 31

This is the type of electromagnetic wave that is 44% of the radiant energy emitted by the sun.

Answer 31

VISIBLE LIGHT!

Question 32

These are the type of electromagnetic wave that is 49% of the radiant energy emitted by the sun.

Answer 32

NEAR-INFRARED
FAR-INFRARED
MICROWAVE
RADIO WAVES

Question 33

This is the type of electromagnetic wave that is the remaining 7% of the radiant energy emitted by the sun.

Answer 33

ULTRAVIOLET RADIATION!

Question 34

What are the FOUR factors that affect the Earth’s energy budget?

Answer 34

1. the amount of light colored surfaces
2. amount of radiation received
3. Earth’s axial tilt
4. presence of greenhouse gases.

Question 35

FACTORS
What do light-colored areas do to our Earth?

Answer 35

It ENABLES the reflection of solar energy.

Question 36

FACTORS
Energy balance can also be affected when the amount of radiation received by Earth from the sun CHANGES.

Answer 36

TRUE

Question 37

FACTORS
Areas within or near the equator experience higher
amounts of solar radiation, making the areas warmer.

Answer 37

TRUE

Question 38

FACTORS
Throughout the year, the orientation of Earth toward the sun changes. This change has a direct effect on the intensity of insolation.

Answer 38

TRUE

Question 39

What is insolation?

Answer 39

This is the amount of solar radiation that reaches a given area AKA the exposure to the sun’s rays.

Question 40

FACTORS
Greenhouse gases TRAP the solar energy that should have been reflected back to space.

Answer 40

TRUE

Question 40

FACTORS
What are examples of greenhouse gases? (5)

Answer 40

Methane
Nitrous oxide
Ozone
Water vapor
Carbon dioxide

Question 41

FACTORS
The more solar energy trapped, the more greenhouse gases that is trapping them.

Answer 41

TRUE

Question 42

FACTORS
What is the greenhouse effect?

Answer 42

Some energy is re-emitted in all directions, thus, heating Earth.
MISPLACED SOLAR ENERGY BC OF THE BAD GASES