A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays called? (1 point)
• parallel rays
• indirect rays
• direct rays
• angled rays
7 answers
direct rays
Animation shows a complete revolution of the Earth around the sun. What happens during this time? (1 point)
• The moon makes one complete phase change.
• Earth experiences a complete day.
• Day turns to night.
• Four seasons occur on Earth.
• The moon makes one complete phase change.
• Earth experiences a complete day.
• Day turns to night.
• Four seasons occur on Earth.
Four seasons occur on Earth.
A diagram explaining the cause of the seasons shows the Earth in its orbit around the sun. What is the main factor in how the changing seasons occur? (1 point)
• the speed at which the Earth rotates during the year
• how fast the sun sends rays to the Earth
• the tilt of the Earth on its axis in relation to the sun
• how close the Earth is to the sun
• the speed at which the Earth rotates during the year
• how fast the sun sends rays to the Earth
• the tilt of the Earth on its axis in relation to the sun
• how close the Earth is to the sun
The main factor in how the changing seasons occur is the tilt of the Earth on its axis in relation to the sun.
A diagram depicting one of the seasons shows the Northern Hemisphere tilted toward the sun. Which season is it in the Northern Hemisphere? (1 point)
• summer
• autumn
• spring
• winter
• summer
• autumn
• spring
• winter
If the Northern Hemisphere is tilted toward the sun in the diagram, it indicates that it is summer in the Northern Hemisphere.