Science 6 C3 Test

How does the axis of the Earth run?

• through the center at the equator.
• through the center from the North Pole to South Pole.
• through the Earth's surface from east to west.
• through the Earth's surface along the coasts.

When it is summer on one area of the Earth,

• day is longer than night.
• the sun rises earlier each day.
• indirect rays of the sun hit the Earth.
• the corona is clearly visible.

The shape of the lighted part of the moon is due to the moon's

• eclipse
• satellite
• orbit
• phase

The closest star to our solar system is 

• Polaris
• Saturn
• Alpha Centauri
• a star in the Big Dipper

Our solar system is part of

• a  nebula
• the Milky Way Galaxy
• a quasar
• an irregular galaxy

Sunspots are caused by

• craters on the sun's surface
• the sun's magnetic field
• very hot gases on the sun's surface
• helium from fusion on the sun

Spiral, elliptical, and irregular are the shapes of

• stars
• nebulae
• galaxies
• sunspots

A star's color depends on its

• distance from the Earth
• core temperature
• region of space
• surface temperature

The red shift tells scientists that 

• the sun is halfway through its life cycle
• the galaxies are moving toward the Earth
• the universe is slowing down
• the universe is expanding

The giant Keck Telescope is located in 

• Hawaii
• England
• New Mexico
• Chile