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Science True or False

Try to guess whether these scientific statements are true or false.
Quiz by Quizmaster
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Featured Quiz
Last updated: August 30, 2021
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First submittedAugust 30, 2021
Times taken33,816
Average score73.3%
Rating4.28
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1. Insects are animals
True ✓
False ✓
2. Every planet in the solar system has at least one known moon
True ✓
False ✓
Neither Mercury or Venus have moons
3. Water always boils at 100° Celsius, plus or minus 1 degree
True ✓
False ✓
The temperature at which water boils depends on air pressure. On the top of Mount Everest, water boils at 68° Celsius.
4. Plant cells have a cell wall
True ✓
False ✓
5. The Pacific Ocean is growing wider over time
True ✓
False ✓
The Pacific is shrinking and the Atlantic is growing
6. The Earth's magnetic poles can swap places
True ✓
False ✓
It happens once every 450,000 years on average. Source.
7. Whales can breathe under water
True ✓
False ✓
8. There are parts of the moon that are never visible from Earth
True ✓
False ✓
9. Giant pandas are bears
True ✓
False ✓
10. Most modern humans have DNA from Neanderthals
True ✓
False ✓
11. It is impossible to break apart an atom
True ✓
False ✓
12. Birds have placentas
True ✓
False ✓
Only mammals (not including marsupials and monotremes) have placentas
13. The Earth has never been warmer than it is right now
True ✓
False ✓
When it was first formed, the Earth was molten. At other times in the Earth's history, subtropical plants grew on the poles.
14. The Earth is larger than Mars
True ✓
False ✓
15. Humans are the only animals capable of using tools
True ✓
False ✓
Many animals use tools including orangutans, crows, sea otters, and octopusses
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32 Comments
sumguy
+37
Level 85
Sep 1, 2021
I'm guessing that the 68% who thought that the Pacific is getting bigger were thinking of sea level rise rather than continental drift.
CardinalSin
+5
Level 79
Sep 1, 2021
I was
creslinwest
+1
Level 71
Sep 4, 2021
I thought that too.
Quizmaster
+1
Level ∞
Sep 4, 2021
Changed the wording to avoid possible confusion.
Dollyfroggy
+3
Level 61
Jul 8, 2023
I still was thinking of sea level rise...
rabble
+1
Level 68
Jul 9, 2023
No, I was thinking of plate tectonics, just assumed .. I guess it's a divergent plate boundary(?) rather than subduction. My first thought was magma/underwater volcanic activity/gasses. - I guess the Mariana Trench is a subduction zone, which makes sense in hindsight.

I don't really recall what little school focus was on geology, I don't remember the basic theory :/ If anyone has a brief summary please provide it

AarniJ
+1
Level 20
Sep 3, 2023
I was
SpencerGT
+1
Level 68
Oct 18, 2023
Even considering sea-level rise, is it known if the Pacific is getting bigger?
loganite
+7
Level 90
Sep 3, 2021
I give a lot of credit to Sir David Attenborough for my 100% ;)
SouthKorea
+2
Level 47
Sep 4, 2021
never knew that insects are animals... great quiz!
camus
+14
Level 78
Sep 4, 2021
How could only 80% get the right answer? It requires a level of knowledge I would expect from a 2 year old.
jmellor13
+7
Level 67
Sep 5, 2021
It's easy to overthink things on a quiz like this because you often feel like you're being tricked. I usually think of insects as animals, but hesitated for a second, thinking there was some scientific differentiation relating to having a thorax or something.
stusum
+3
Level 64
Sep 6, 2021
I once had an argument with someone who thought birds weren't animals. It was on Facebook and a lot of people were saying the same thing...
QRU
+6
Level 74
Sep 4, 2021
What did you think they were?
TheForsakenFurby
+9
Level 74
Sep 4, 2021
I can't answer for them, but if you're at a level of understanding of biology where you don't know insects are animals, you probably don't have the possible categories defined at all.

For you and me, it's "well insects obviously aren't plants, fungi, or microscopic, so naturally they're animals", but for SouthKorea it might be more like, "idk, bugs?"

Outside of biological settings the examples of animals we think about are almost always chordates, and more often than not mammals.

Saftra
+1
Level 51
Sep 4, 2021
87%
McKenzieFam
+1
Level 66
Sep 4, 2021
100% first try! woot!
Angeloll
+6
Level 13
Sep 5, 2021
I have confused neanderthal with Netherlands (Englis is not my native language).
Charliezard
+3
Level 66
Oct 6, 2021
Wow. I would have thought more people would know that pandas are bears??? Perhaps people overthink it and think it's a trick question. After all, koala bears aren't really bears, and people love to put that on quizzes.
RobNobody
+5
Level 78
Dec 14, 2021
The problem is that for decades there was debate about the proper classification of the panda. I remember as a kid in the '80s and '90s being taught that they weren't true bears, but were actually more closely related to raccoons. It's only within the past ten years or so that genetic analysis has definitively confirmed that they are, in fact, part of the bear family.
GreenGuy60
+2
Level 34
Apr 26, 2023
"The percentage of Neanderthal DNA in modern humans is zero or close to zero in people from African populations, and is about 1 to 2 percent in people of European or Asian background"

https://medlineplus.gov/genetics/understanding/dtcgenetictesting/neanderthaldna/

Gobochul
+3
Level 62
May 6, 2024
This was my only miss, just because i didnt remember the asians had some as well, so i thought europeans are not most people
Ferbin
+1
Level 77
Jun 28, 2024
Same here.
Otterpotter63
+1
Level 57
Jul 8, 2023
The plural of octopus is octopi not octopuses
Cycloethan
+4
Level 65
Jul 8, 2023
Akchually, it's octopodes.
KabouterPlop
+1
Level 72
Jul 8, 2023
Different dictionaries say both are ok, that octopi is older but octopuses is more commonly used.
LunarosMusic
+2
Level 57
Jul 9, 2023
Octopi shouldn't be OK at all because the correct plural form, as Cycloethan said, is octopodes.
Aoto327
+1
Level 75
Jul 8, 2023
Nice quiz, I got 100%.
FreeStater
+2
Level 76
Jul 8, 2023
Cow tools…
3NRD
+1
Level 40
Jul 10, 2023
Cow tools.
SpencerGT
+1
Level 68
Oct 18, 2023
Would you evaporate in too low pressure?
Lukeyduke
+1
Level 43
Oct 28, 2024
You can break an atom apart through fission.
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