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