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15
×
Stars form inside giant clouds of gas and dust. What are giant clouds of gas and dust called?
Super nova
Black hole
Nebula
Quasar
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15
×
In the food web, which of the following transfer the most of energy to other organisms?
Krill
Fish
Phytoplankton
Seabirds
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15
×
Which of the following groups in the Periodic Table is made from reactive metals?
Group 17
Group 1
Group 18
Group 6
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baam
Lose 20 points!
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rocket
Go to first place!
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×
shark
Other team loses 20 points!
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×
baam
Lose 20 points!
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×
lifesaver
Give 20 points!
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×
gold
Win 50 points!
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×
shark
Other team loses 15 points!
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×
baam
Lose 20 points!
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15
×
What atom is this?
Chromium
Copper
Zinc
Manganese
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15
×
What is the interval of point X?
630 m
640 m
650 m
660 m
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15
×
How does an offshore oil rig sunk into the ocean impact organism in the ocean?
The platform releases chemicals into the area.
The platform is used for future oil research.
The platform provides a habitat for organisms.
The platform destroys all organisms in the area.
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×
boom
Lose 50 points!
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shark
Other team loses 5 points!
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shark
Other team loses 10 points!
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baam
Lose 10 points!
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15
×
In the chemical reaction shown, the products are best classified as â
two compounds and one element
one element and one compound
two elements
two compounds
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15
×
What kind of eclipse occurs when the moon passes through the Earth shadow?
new
full
lunar
solar
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lifesaver
Give 25 points!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
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15
×
A 5 kg ball is accelerating at 2 m/s2 while being thrown. How much force was used?
4 N
20 N
5 N
10 N
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15
×
Earthâs weather is primarily caused by the
changing distance between Earth and the Sun
uneven heating of Earthâs surface
drifting of Earthâs crustal plates
gravitational attraction of the Moon
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15
×
Which element chemically reacts in a way similar to the way chlorine (Cl) reacts?
O
I
Si
Xe
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15
×
How many valence electrons does this atom have?
7
8
10
9
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