The Movement Of The Earth

Question 1

What are the two main types of earth movements?

Answer 1

The two main types of earth movements are Earth’s Rotation and Earth’s Revolution.

Question 2

What is Earth’s rotation?

Answer 2

Earth’s rotation happens when the earth rotates or spins on its axis.

Question 3

What is Earth’s revolution?

Answer 3

Earth’s revolution refers to the earth moving around the sun in a complete circular form.

Question 4

What happens during Earth’s rotation?

Answer 4

The rotation of the earth will cause the daily rising and falling of the tides.

Question 5

What are the effects of Earth’s revolution?

Answer 5

The revolution of the earth around the sun results in changing altitudes of the mid-day sun, varying lengths of day and night, and the four seasons.

Question 6

How does day and night occur?

Answer 6

Day and night occur because one side of the earth faces the sun and is in light, while the other side is in darkness.

Question 7

What is the tilt of the earth’s axis?

Answer 7

The earth’s axis is tilted at an angle of 23.5°.

Question 8

What happens in the Northern Hemisphere during December?

Answer 8

In December, the Northern Hemisphere is tilted away from the sun and experiences winter.

Question 9

What is the significance of the summer and winter solstices?

Answer 9

The summer solstice occurs when the Northern Hemisphere is tilted closer to the sun, while the winter solstice occurs when it is tilted away.

Question 10

How does the rotation of the earth affect Papua New Guinea?

Answer 10

As the earth rotates, Papua New Guinea experiences changes in time, such as moving from morning to noon.

Question 11

What are the four seasons?

Answer 11

The four seasons are summer, autumn, winter, and spring.

Question 12

What are the two main seasons?

Answer 12

The two main seasons are summer and winter.

Question 13

What are the two seasons in between summer and winter?

Answer 13

The two seasons in between are spring and autumn.

Question 14

How long does each season last?

Answer 14

Each season has a length of three months.

Question 15

When does summer occur in the Northern Hemisphere?

Answer 15

Summer occurs from June to August.

Question 16

When does winter occur in the Northern Hemisphere?

Answer 16

Winter occurs from December to February.

Question 17

When does spring occur in the Northern Hemisphere?

Answer 17

Spring occurs from March to May.

Question 18

When does autumn occur in the Northern Hemisphere?

Answer 18

Autumn occurs from September to November.

Question 19

What is the significance of the solstice?

Answer 19

The solstice marks the time when the Northern Hemisphere is closest to the Sun, occurring on June 21st for summer and December 22nd for winter.

Question 20

What happens during summer?

Answer 20

Summer is very hot and is the harvesting season; animals look for water and wander around waterholes.

Question 21

What happens during autumn?

Answer 21

Autumn, also known as ‘fall’, is generally cool; trees stop producing sap, and leaves start to fall.

Question 22

What happens during winter?

Answer 22

Winter is cold, snow falls, and trees stand bare with no leaves; animals and plants may hibernate.

Question 23

What happens during spring?

Answer 23

Spring has warm conditions and is the season of new beginnings; plants grow, and animals mate and give birth.

Question 24

What does the term ‘equinoxes’ mean?

Answer 24

‘Equal night and day.’ Equal hours of day and night are experienced in both the Southern and Northern hemispheres during spring and autumn equinoxes on 21 March and 23 September.

Question 25

What does the term 'solstices' mean?

Answer 25

'Sun standing still.' In the Northern Hemisphere, the winter solstice is on 22 December and the summer solstice is on 21 June.

Question 26

What occurs during solstices?

Answer 26

Solstices link to the unequal length of day and night, occurring when the sun is above the tropic of Cancer on June 21 in the Northern Hemisphere and over the tropic of Capricorn on December 22 in the Southern Hemisphere.

Question 27

How do summer and winter differ in terms of day and night?

Answer 27

Summer has longer days and shorter nights, while winter has longer nights and shorter days.

Question 28

What is the daylight experience at the Equator?

Answer 28

At the Equator, there is little change with seasons, experiencing 12 hours of daylight and 12 hours of darkness every day.

Question 29

How does distance from the Equator affect daylight hours?

Answer 29

The further away from the Equator, the greater the changes in the number of daylight hours.

Question 30

What happens at the North Pole during summer and winter solstices?

Answer 30

The North Pole has 24 hours of daylight during summer (21 June) and 24 hours of darkness during winter (22 December).

Question 31

What happens at the South Pole during summer and winter solstices?

Answer 31

The South Pole has 24 hours of darkness during winter (21 June) and 24 hours of daylight during summer (22 December).

Question 32

What does figure 1.5 illustrate?

Answer 32

Figure 1.5 shows how 24 hours of daylight and 24 hours of darkness are experienced during the summer and winter solstices at the North and South Poles.