Transcript Stars Wall-e Presentation

The Twinkling Facts
about Stars
By: Brielle Chan
What is a Star?
What are Stars Made of?
What do they burn?
Types of Stars:
Type “o” and “B” Stars
“O” Stars
“B” Stars
Type “A” and “F” Stars
“A” Stars
“F” Stars
Type “G” and “K” Stars
“K” Stars
“G” Stars
K
Type “M” Stars
The Biggest and Smallest stars
Biggest:
Smallest:
The brightest and dullest stars
Brightest:
Dullest:
Midway Quiz!
Questions 1 and 2
What are stars?
a) Luminous balls of gas
b) Fire balls
c) Sky décor for people to look at
d) Bits from space burning up to appear
as if they glow
Which two gases are most prominent in stars?
Questions 3 and 4
What are the 7 types of stars in decreasing
temperature order?
A)
B)
C)
D)
A, B, C, D, E, F, G
O, B, A, F, G, K, M
O, B, F, A, G, K, M
Z, L, k, O, M, A, G
What is the biggest type of star called?
Questions 5 and 6
What’s the smallest type of star called?
a)
b)
c)
d)
White dwarf
Red dwarf
Yellow dwarf
Green supergiant
What’s the brightest star other than the sun in
view of Earth?
Questions 7 and 8
What is the type of star that is the dullest?
A)
B)
C)
D)
Red dwarf
Supernova
White dwarf
Yellow dwarf
What type of diagram is this?
Answer Key:
The stages of a star’s life:
Nebula – they form into a star when their nuclei to fuse together
Star – A star wells up into a red giant
Red Giant - loses its outer layers as a Planetary Nebula and finally shrinks to become a white dwarf or
red dwarf
Red Dwarf
White Dwarf
Supernova - Stars eventually after a while turn into exploding supernovas and then into neutron stars
Neutron Stars – Neutron stars turn into black holes that suck up everything around them
Black hole – the death of a star as it isn’t one anymore
The oldest and youngest stars
Oldest:
How stars are born
How stars die
What type of star is our Sun?
The sun visible from Earth is a yellow dwarf star and is surprisingly one of
the smaller stars, compared to others, but is still an average size.
Information for the test
Study flashcards: https://quizlet.com/107902287/flashcards
Information for the test
Final Test!
Questions 1 and 2
What are stars?
a) Luminous balls of gas
b) Fire balls
c) Sky décor for people to look at
d) Bits from space burning up to appear
as if they glow
Which two gases are most prominent in stars? (2
marks for both gases)
Questions 3 and 4
What are the 7 types of stars in decreasing
temperature order?
A)
B)
C)
D)
A, B, C, D, E, F, G
O, B, A, F, G, K, M
O, B, F, A, G, K, M
Z, L, k, O, M, A, G
What is the biggest type of star called?
Questions 5 and 6
What’s the smallest type of star called?
a)
b)
c)
d)
White dwarf
Red dwarf
Yellow dwarf
Green supergiant
What’s the brightest star other than the sun in
view of Earth?
Questions 7 and 8
What is the type of star that is the dullest?
A)
B)
C)
D)
Red dwarf
Supernova
White dwarf
Yellow dwarf
What type of diagram is this?
(2 marks)
Questions 9 and 10
What is the stage in a star’s life right before
supernova?
A)
B)
C)
D)
Red dwarf
Star
Black hole
White dwarf
What is the oldest star known called?
Questions 11 and 12
What is the youngest known star called?
A) Dwarf
B) L1448-IRS2E
C) Thyji-9067
What are stars born from?
Questions 13 and 14
What happens to a star after the supernova
stage?
A)
B)
C)
D)
A black hole
Nothing
It explodes more
A supernova doesn’t exist
What type of star is the sun and what size is
it? (2 marks)
Answer Key: