Stars

What are stars?

• Rocky bodies
• Burning balls of gas
• 5 pointed shapes
• Hollywood actors

Why do other stars appear so much smaller than the sun?

• They are much smaller
• They are so far away
• They are not as bright
• They are dwarf stars

Tags

NGSS.MS-ESS1-3

True or False
Constellations are stars that appear to be in a pattern.

• True
• False

Stars appear to twinkle because

• of their temperature

• their light is passing through our atmosphere

• they constantly change direction

• to make a wish on

How is a star created?

• An already existing planets sets on fire in space.

• Rocks and debris in space float near each other in space and friction causes them to light on fire, this causes a very high temperature and lots of light.

• When huge clouds of gas and dusk (nebulae) start to form in to clumps and gravity pulls these clumps together, this makes the cloud hotter and hotter as nuclear fusion takes place.

What gases are burnt to keep a star alive?

• Hydrogen

• Oxygen

• Helium

How does a star die?

• The star starts to run out of hydrogen to burn

• The star runs out of oxygen to burn

• The star runs out of helium to burn

• They can't die

What is a supernova?

• When two stars collide in space this causes an explosion

• A type of star

• When large stars die and the nuclear reaction inside them stops, the gravity in the star forces it to collapse in on itself and it begins to explode.

• A type of cereal

Constellations are

• A formation of planets

• Patterns of stars in the sky that form imaginary shapes