Book 6 ch 1

The cycle of day and night is caused by the ______ of the Earth on an imaginary axis.

The Earth is divided into different ______. There are time differences between neighbouring places.

Sunlight is more focused in areas with ______ sunlight, so the temperature there is generally higher.

• slanted

• overhead

• indirect

• reflected

Since the axis of rotation is ______, different places receive overhead sunlight at different times. This results in the changes of seasons.

Which imaginary line divides the Earth into the Northern and Southern Hemisphere?

Places in neighbouring time zones are usually ______ ahead or behind.

• three hours

• two hours

• one hour

• half hour

It is ______ in the Northern Hemisphere when it receives overhead sunlight.

• winter

• spring

• summer

• autumn

The Earth rotates on its _______, which is an imaginary line passing through the North Pole and the South Pole.

The Earth ______ around the Sun. This is called revolution.