Q 01/05

Which three months make up summer in the Northern Hemisphere, according to weather forecasters?

A) May, June and July

B) April, May and June

C) July, August and September

D) June, July and August

Answer · why

D) June, July and August

Weather forecasters count June, July and August as Northern Hemisphere summer, dividing the year into four three-month seasons; astronomical summer in...

Q 02/05

When it is summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

A) Also summer

B) Autumn

C) Spring

D) Winter

Answer · why

D) Winter

It is winter there: from June to August the Southern Hemisphere tilts away from the Sun, so Australia and South Africa have their coldest months while...

Q 03/05

What do we call the day in June with the most daylight in the Northern Hemisphere?

A) The dog day

B) The equinox

C) The summer solstice

D) Midnight sun day

Answer · why

C) The summer solstice

The summer solstice falls on June 20 or 21, when the North Pole tilts as far toward the Sun as it gets and the Northern Hemisphere has its longest day...

Q 04/05

Why do we have seasons?

A) The Moon blocks the Sun in winter

B) Earth's axis is tilted

C) The Sun gets hotter in summer

D) Earth gets closer to the Sun in summer

Answer · why

B) Earth's axis is tilted

The tilt is about 23.4 degrees, which lifts the Sun higher in the sky and makes days longer in summer.

Q 05/05

About how long does sunlight take to travel from the Sun to Earth?

A) 8 days

B) 8 minutes

C) 8 hours

D) 8 seconds

Answer · why

B) 8 minutes

Light takes about 8 minutes (8 minutes 20 seconds) to cover the roughly 150 million kilometres from the Sun to Earth, a distance astronomers call one ...