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Science Trivia STEM Week Flashcards | StudBud
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Science Trivia STEM Week
Science Trivia STEM Week
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1
A 5-kg block is suspended shown below.The force exerted on the block by the cord is most nearly
Zero
50 N
25 N
100 N
2
What is another name for the windpipe?
Trachea
Oesophagus
Lungs
Larynx
3
Which of these is not a correct DNA base pairing?
Adenine (A) and guanine (G)
Cytosine (C) and guanine (G)
Adenine (A) and thymine (T)
4
What is the SI unit for energy, named after an English physicist?
Volt
Amp
Joule
Velocity
5
Sam has 1 lb of gold on the Moon, while Dylan has 1 lb of gold on Earth. Who has more gold?
It depends on how long Sam has been on the Moon.
Dylan.
Sam.
They have the same amount of gold.
6
What element is added to iron to make it steel?
Au
C
Cu
Al
7
How much Br₂ is there when this equation is balanced?
3
1
4
2
8
What is it called when light changes direction after leaving a lens?
Diffraction
Destructive Interference
Refraction
Reflection
9
Which of these is another way to write Newton's second law of motion?
F = m/a
F = m + a
F = ma
F = ma^2
10
Which of these is NOT a system in the human body?
The endocrine system
The nervous system
The skeletal system
The cellular system
11
Which of these is NOT found in an animal cell?
Chloroplasts
Mitochondria
Endoplasmic reticulum
Nucleus
12
In E=mc
2
, what is the name of the constant represented by c?
Capacitance
Charge
Force
Speed of Light
13
On Mars, which would be first to kill a human who's unprotected and unassisted by life support?
Low air pressure.
High CO2 atmosphere.
Colder than Antarctic temperatures.
Excess solar radiation due to a missing magnetic field.
14
How many atoms are in a mole?
6.022x10^22
6.022x10^24
6.022x10^23
6.022x10^21
15
If the Sun is a basketball, then Earth is:
A fruit fly, 25 meters (85 feet) away
A pea, 6 meters (20 feet) away
A walnut, 3 meters (10 feet) away
A tennis ball, 1 meter (3 feet) away
16
Which law says the amount of gas dissolved in a liquid is proportional to its partial pressure?
Henry's law
Gay Lussac's law
Raoult's law
Dalton's law
17
What is the most abundant element in the Earth's atmosphere?
Carbon Dioxide
Oxygen
Nitrogen
Hydorgen
18
What is condensation?
When a liquid turns to a solid.
When a liquid turns to a gas.
When a solid turns to a liquid.
When a gas turns to a liquid.
19
What is apoptosis?
Type of cell division that produces daughter cells
Cell death from traumatic injury/exposure to toxic chemicals
The popping sound cells make when they die
A type of cell death that resembles suicide
20
Which organelle is known as “the cell’s brain”?
Nucleus
Mitochondrion
Ribosome
Membrane
21
Which resource was greatly used by the photo processing industry before digital photography?
Oil
Cadmium
Silver
Zinc
22
What is the chemical symbol for Sodium?
N
So
S
Na
23
To go on living, the body's cells need food, water, chemicals, and ...
Oxygen
Vegetables
Carbon Dioxide
Helium
24
What comes next? Kingdom, Phylum, Class, _____.
Order
Family
Species
Genus
