WorkBook #3 #4

Question 1

What does (emit) mean?

Answer 1

Creating light or to give off its own light.

Question 2

What does (reflect) mean?

Answer 2

Reflecting or bouncing light off it.

Question 3

What are the names of the layers of Earth’s atmosphere?

in order

Answer 3

Troposphere, Stratosphere, Mesosphere, Thermosphere, Ionosphere, Exosphere.

Question 4

Fact about Troposphere?

Answer 4

Weather is formed here.

Question 5

Fact about Stratosphere?

Answer 5

Ozone layer, Jet stream.

Question 6

Fact about Mesosphere?

Answer 6

Protection from meteors, coldest.

Question 7

Fact about Thermosphere?

Answer 7

Hottest, widest, least amount of air molecules.

Question 8

Fact about Ionosphere?

Answer 8

Electrically charged ions, Northern Lights

Question 9

Fact about Exosphere?

Answer 9

Where satellites orbit.

Question 10

What are three reasons Earth can support life?

Answer 10

Liquid water, Breathable atmosphere, Right distance from the sun (temperature).

Question 11

What objects in space emit light?

Answer 11

Sun, Stars.

Question 12

What objects in space reflect light?

Answer 12

Moon, Planets, meteors, comets.

Question 13

Why is it harmful to look at the sun with your naked eye?

Answer 13

The UV rays will damage your eyes permanently.

Question 14

What are 2 safe methods for viewing the sun?

Answer 14

Pinhole Camera, Welder’s mask.

Question 15

Why does the sun appear to move across the sky each day?

Answer 15

The rotation of he Earth on its axis.

Question 16

What causes night and day?

Answer 16

The rotation of the earth on its axis.

Question 17

What is the difference between direct and indirect rays from the sun?

Answer 17

Direct rays are head-on and stronger rays. Indirect rays are spread out rays and are weaker.

Question 18

What causes the rays to become more or less direct?

Answer 18

The rays change based on if you are tilted away from the Sun or toward.

Question 19

What are the 2 reasons that Earth experiences 4 different seasons each year?

Answer 19

The never changing tilt of the Earth’s axis and the Earth’s revolution around the Sun.

Question 20

When do the spring and fall equinoxes occur?

Answer 20

March 21 and September 21.

Question 21

When do the summer and winter solstices occur?

Answer 21

June 21 and December 21.

Question 22

What happens to the amount of daylight on each of these dates?

Answer 22

The equinoxes hours of day and night are equal.
The summer solstice is the longest day of the year.
The winter solstice is the shortest day of the year.

Question 23

What causes solstices and equinoxes?

Answer 23

The Earth’s revolution around the Sun.

Question 24

How do the seasons compare in the northern and southern hemisphere?

Answer 24

The seasons are opposites. Summer in the North is Winter in the South. The equinoxes both have the same amount of day and night hours.