Moon
Seasons
Ocean Tides
Solar System
Explain
100

What moon phase occurs when the moon is completely dark?

New Moon

100

What season is it when your hemisphere is tilted towards the sun?

Summer

100

The daily rise and fall of ocean water levels is called ...?

Tides

100

What is the star at the centre of our solar system?

Sun

100
Why does a leap year occur?

Because there are 365.25 days each year.  After four years all the quarters add up to an extra day causing a leap year

200

What effect does the moon have on Earth's oceans.

Tides

200

What angle is the Earth's axis?

23.5 degrees

200

What tides occur when the ocean water is at its lowest point?

Low tide

200

What planet is known as the Red Planet?

Mars

200

Why do we only every see one face of the moon

The moon completes a revolution every 27 days.  At the same time it takes 27 days to revolve around the earth.  This synchronisation means that on Earth we only see one face of the moon

300

What is the name of the moon phase when the moon appears fully lit

Full moon

300

What season is it when your hemisphere is tilted away from the sun?

Winter

300

What is the number of high tides in most coastal areas each day?

2

300

What is the largest planet in our solar system?

Jupiter

300
Explain the difference between heliocentric and geocentric models of the solar system.

The geocentric model was the first model where the Earth was thought to be at the centre of the solar system.  The heliocentric model is the current model where the sun is at the centre of the solar system

400

What is the phase when the visible part of the moon appears to be getting larger?

Waxing

400

What region experiences little seasonal variation because it receives direct sunlight all year round?

Equator

400

What forces mainly causes tides on Earth?

Moon's gravity

400

What dwarf planet was once considered the ninth planet?

Pluto

400

Explain why the geocentric model was changed to the heliocentric model.

The geocentric model had flaws such as the observations in the sky did not match the model, it did not explain gravity and it became too complex to account for abnormalities.

500
What is the name of the shadow that causes a total lunar eclipse?

Umbra

500

What causes the seasons to change throughout the year?

Earth's tilt on its axis


500

Although the moon has a stronger effect, what object also influences Earth's tides due to its gravitational pull?

Sun

500

What part of a comet becomes visible as it approaches the sun?

Tail

500

Explain the orbit direction and times of each of;

moon- 

Earth-

moon- revolves every 27 days and rotates every 27 days anticlockwise

Earth- rotates every 24 hours and revolves around the sun every 365.25 days in an anticlockwise direction 

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