The Big Bang and Components of the Universe

A system of stars, gas, dust, and dark matter bound together by gravity is called -

• an asteroid

• a moon

• a galaxy

• a nebula

Tags

NGSS.MS-ESS1-2

Which of the following describes a nebula?

• A cloud of gas and dust where new stars form

• An oval-shaped cluster of densely packed stars

• An explosion at the end of a giant star’s life

• A star and all the planets that revolve around it

Which of the following best describes a star? A star is a celestial body -

• composed of rock and metal with a very high density.

• that is too big to be an asteroid, but too small to be a planet.

• that rotates on an axis and revolves around the Sun.

• composed of gases that emit light due to nuclear reactions.

Which of the following is an accurate description of the relationship between components of the universe?

• Stars always contain galaxies.

• Galaxies contain many stars.

• Stars contain several nebulae.

• Nebulae contain many galaxies.

According to the Big Bang Theory, what is happening to the size of the universe?

• The universe is growing

• The universe is shrinking

• The universe is staying the same size

• The universe rides on the back of four elephants, supported by a turtle.

Tags

NGSS.HS-ESS1-2

How old was the universe when the very first atoms started to form?

• Atoms formed at the instant of the Big Bang

• Atoms formed a few hundred million years after the Big Bang

• Atoms formed in the first seconds after the Big Bang

• Atoms still haven't formed. We can't see them, so they don't exist.

Tags

NGSS.HS-ESS1-2

What is a galaxy?

• Like a solar system, but made of dust

• A cluster of thousands of stars all floating together in space

• A cellphone made by the Nokia company

• A grouping of hundreds of millions of stars held together by gravity

Tags

NGSS.MS-ESS1-2

Which of the following objects is the biggest?

• Solar system

• Universe

• Galaxy

• Star

Tags

NGSS.MS-ESS1-3

Which of the following objects is the biggest?

• Galaxy

• Star

• Planet

• Solar system

Tags

NGSS.MS-ESS1-3

Which of the following objects is the biggest?

• Star

• Planet

• Chicken Wings

• moon

Tags

NGSS.MS-ESS1-3