SPS8C

The light from many stars can be seen from Earth. But there is a time delay between the time the light is emitted from the star and when we see it here on Earth. Which of the following statements best explains why there is a delay?

• Stars twinkle, so they give off light at regular intervals.

• The stars’ light is not bright enough to reach Earth immediately.

• Stars are light-years away from Earth, so light takes time to reach our planet.

• Earth’s atmosphere is too thick for light to reach the surface as soon as it is emitted.

Identify which letter below illustrates the stronger gravitational force

• A

• B

Tags

NGSS.MS-PS2-4

A collection of stars, dust, and gas bound together by gravity is...

• Universe

• Solar System

• Planet

• Galaxy

Tags

NGSS.MS-ESS1-2

In the diagram given, what happens as we move to the left?

• Stars Get Larger

• Stars get Colder

• Stars get hotter

Tags

NGSS.HS-ESS1-3

What happens to the magnetic field around a wire when the electric current through the wire increases?

• It decreases

• It remains the same

• It increases

• It reverses direction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Hot clouds of gaseous elements and compounds that act as nurseries for stars

• Galaxies

• Star

• Nebulae

• Black holes

What type of Galaxy is the Earth in?

• Elliptical

• Irregular

• Milky Way

• Spiral

A _____________ tide occurs when the moon, sun, and Earth are aligned.  This is a period of the highest high tides and lowest low tides.

• neap

• spring

• slack water

• ebb

Tags

NGSS.MS-ESS1-1

What color is the dimmest Star?

• Yellow

• Blue

• Red

• White

The Hubble Space Telescope is a well-known satellite. It was launched into space in 1990. It is in orbit 380 miles above Earth. Hubble takes photos of our solar system and faraway galaxies. A galaxy is a huge group of stars, dust, and gas. Over the years, Hubble has taught scientists a lot about space. What is the appropriate unit for measuring the distance to other galaxies?

• Miles

• Kilometers

• Light Year

• Astronomical Unit