Space

Day and night is caused by

• Rotation of the earth on its axis
• Revolution of the earth around the sun
• The distance between the sun and earth
• The position of the moon relative to the earth and sun

The hemisphere where you live 

• equator
• southern
• northern
• eastern

What causes longer summer days (more light)?

• Earth tilt's away from the sun in summer
• Earth's revolves slower in summer
• Earth tilts toward the sun in summer
• Earth is closer to the sun

In winter, the axis of the earth is pointed away or toward the sun?

• towards
• up
• down
• away

In summer, the axis of the earth is pointed away or toward the sun?

• towards
• up
• down
• away

Why is the northern hemisphere warmer in the summer?

• The earth rotates towards the sun in the summer. 
• The northern hemisphere gets more light because it is tilted towards the sun. 
• The sun has stronger light in the summer. 
• Earth spins slower in the summer. 

Why is the equator the warmest region on planet earth?

• The equator always receives direct light from the sun. 
• The equator receives more direct sunlight than other locations on Earth. 
• Clouds do not form at the equator
• The equator always receives indirect sunlight. 

What season is shown in the picture?  The sunlight is at a 67.5 degree angle with the ground. 

• summer
• winter
• fall 
• spring

What season is shown in the picture?  The sunlight is at an angle of 22.5 degrees with the ground. 

• summer
• winter
• fall 
• spring

Which season is taking place in the Southern Hemisphere in Position 1?

• Winter
• Spring
• Summer
• Fall