Space - Earth Science Year 10 T4

Question 1

Define nebulae

Answer 1

A giant cloud of dust and gas in space. This gas and dust is created from the explosion of a dying star.

Question 2

Define stars

Answer 2

Stars are astronomical objects that produce heat, light, ultraviolet rays, x-rays and other forms of radiation.

Question 3

Star brightness is determined by…

Answer 3

Depending on the brightness of the star depicts the amount of energy the stars release.

Question 4

Define planets

Answer 4

A planet is defined as an object that orbits the sun, has sufficient mass to be round or nearly rounded.

Question 5

Define galaxies

Answer 5

A galaxy is a collection of stars held together by the gravity of all the other stars. An example of a galaxy would be the Milky way.

Question 6

Define solar system

Answer 6

A solar system is a star and all of the objects that revolve around it. This includes moons, planets, asteroids, comets and meteoroids.

Question 7

Define moons

Answer 7

Most planetary moons are formed from the discs of gas and dust circulating around planets in solar systems. There are hundreds of moons in our solar system.

Question 8

Define asteroids

Answer 8

Asteroids are rocky worlds revolving around the sun that are too small to be classified as planets.

Question 9

Define comets

Answer 9

Comets are known to be cosmic snowballs of frozen gases, rock and dust that orbit the sun.

Question 10

Define meteoroids

Answer 10

A meteoroid is matter revolving around the sun or any planet in interplanetary space that is too small to be called an asteroid or a comet.

Question 11

Define artificial objects

Answer 11

Artificial objects are any object that is human made that is in space. This composes of the international space station, space probes and space telescopes.

Question 12

Identify the lifecycle of a low mass star

Answer 12

Stage Name of Star
1 Stella nebula
2 low mass star
3 Red giant
4 white dwarf

Question 13

Identify the lifecycle of a high mass star that shrinks into itself.

Answer 13

Stage Name of Star
1 Stella nebula
2 High mass star
3 Red supergiant
4 Super nova
5 Black hole

Question 14

what are the 2 stage’s that a high mass star could end with in the star life cycle

Answer 14

black hole and neutron star

Question 15

Explain how a stellar nebula is formed

Question 16

Explain how a high and low mass star is formed

Question 17

Explain a red giant

Question 18

explain a white dwarf

Question 19

explain a red super giant

Question 20

explain a supernova

Question 21

explain a neutron star