Components of Universe

Stars are made mostly of which two elements?

• hydrogen and helium

• mercury and strontium

• iron and potassium

• krypton and bismuth

Tags

NGSS.HS-ESS1-3

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

Elliptical, spiral, and irregular are all classifications of the overall shape of which of the following?

• stars

• galaxies

• nebulae

• comets

Tags

NGSS.MS-ESS1-2

The stars and all the other matter in a galaxy are held together by which of the following?

• Dark matter

• Inertia

• Gravity

• Magnetism

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the most abundant element in the universe?

• Hydrogen

• Helium

• Oxygen

• Carbon

Which of the following is a type of galaxy?

• Spiral

• Circular

• Triangular

• Rectangular

Tags

NGSS.MS-ESS1-2

What force keeps planets in orbit around stars?

• Magnetism

• Electricity

• Gravity

• Nuclear force

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is a black hole?

• A star that has exploded

• A region of space with strong gravitational effects

• A type of galaxy

• A large asteroid

Which of the following is a component of the universe that is not visible?

• Dark matter

• Stars

• Planets

• Asteroids

What is the primary component of stars?

• Iron

• Carbon

• Hydrogen

• Oxygen

Tags

NGSS.HS-ESS1-1