G8 - Term 3 - General revision

Define Population?

• All the members of a species living in a given area

• All animals in one habitat

• All living things in Earth

The factors that affect the health and growth of the human population.

• Excessive screen time
• healthcare and sanitation

• Good nutrition and clean water

• Economic stability, environmental conditions, and social support.

Observe the graph showing the percent of youth and elderly in four countries. Which country has the slowest population growth ?

• A

• B

• C

• D

The carrying capacity increases as the resources

• Decrease

• Increase

• keep the same

• End

What effect does Earth's curved surface have on temperatures?

• Solar energy received at the equator is at a higher concentration.

• Solar energy received further away from the equator is at a lower concentration.

• Seasonal changes do not depend on Earth's temperature changes

What are the effects of the tilt of Earth's rotation axis ?

• Day and night

• Seasonal cycle

• Different temperature in different earth places

• Weather conditions

There are two solstices :

• In March and September

• In June and November

• In April and July

• In June and December

In which phase the Moon will be during solar eclipse ?

• New Moon

• Full Moon

• 1st. quarter

• 3rd. quarter

Where do you have to be located to be able to see a total eclipse?

• Within the umbra

• On the equator

• At the North Pole
• Within the penumbra

Galaxies can be classifed according to their shape in to :

• Elliptical

• Spiral

• circular

• Irregular