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Bio Grade 8
Test Description: Bio Grade 8
Instructions: Answer all questions to get your test result.
1) What does the computer decode the data into - Radio telescopes
A
It can be used in any conditions
B
Square kilometer Array (SKA)
C
All
D
It produces visible image
2) Radio telescopes - consists of
A
1000's of dishes which work together as one gigantic telescope
B
Sends a frequency
C
None
D
All
3) Radio telescopes - convert to audio
A
Stays the same
B
None
C
It takes 2 million years to hear it
D
Can't be converted
4) Radio telescopes - Fibre cable
A
Will rap around the world twice
B
Can't be loaded
C
Sends singles
D
None
5) The sun creates
A
Energy which is light photosynthesis
B
None
C
All
D
Heat drives several biological processes
6) How does the sun generate energy
A
Nuclear fusion
B
Via nuclear fusion
C
All
D
None
7) What are sun spots
A
That are cooler than the rest of the sun
B
None
C
Dark spots on the sun's surface
D
All
8) Solar prominance
A
Arcs and returns to the sun's surface
B
A massive release of energy
C
All
D
From the surface of the sun which
9) What is Solar flare
A
and escapes into space
B
All
C
Massive release of energy that escapes
D
The sun's gravitational pull
10) Objects that orbit the Sun
A
Outer dwarf planets
B
Comets, Astroids
C
Planets, Planetry moons
D
All
11) What is needed for a celestial body to be considered a planet
A
All
B
needs sufficient gravity to pull itself into a spehicell shape
C
It must have clear space
D
Orbit the sun
12) Inner planets
A
All
B
All made of rock, known as rocky giants and considered terrestrial planets
C
In order mercury, venus, earth, mars
D
Four planets closer to the sun
13) Outer Planets
A
Made of gas called gas giants
B
All
C
in order jupiter, saturn, uranus and neptune
D
Four planets FURTHEST from the sun
14) Outer Planets
A
All
B
And Metade
C
Uranus and Neptune are made of water pneumonia
D
Saturn and Jupiter consist of helium and hydrogen
15) Dwarf planets
A
Not big enough to clear the space
B
Space bodies that are big enough
C
All
D
To have sufficient gravity to pull the mass
16) Astroids
A
They are big , not considered planets
B
All
C
But CAN'T pull to space
D
Large rocks in outer space in the astroid belt between mars and Jupiter
17) Comets
A
All
B
Originated from oort cloud and camper belt close to Neptune
C
Edge of the solar system
D
Made of ice and dust
18) Conduct an investigation
A
Variable and Fixed controlled variable
B
All
C
Aim
D
Hypothesis
19) Definition of Hypothesis
A
Expressed as statement
B
Must include all variables and be testable
C
All
D
The lightly answer to the observed question
20) Definition of Aim
A
Often starts with statement TO SEE
B
Statement of what the investigation is setting out to acheive
C
All
D
Investigate or TO TEST
*select an answer for all questions
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