Chemistry
This is the only metal that is liquid at room temperature
Mercury
This organ in the human body is responsible for filtering blood and producing urine
The kidney
Power is measured in __
Watts
A right-angled triangle follows this famous theorem.
What does the atomic number of an element represent?
The number of protons
This organelle is responsible for packaging and transporting proteins within a cell
The Golgi Apparatus
The resistance of an object to a change in motion is known as
Inertia
The slope of a horizontal line is always equal to __
Zero
This gas is produced when an acid reacts with a metal carbonate
Carbon Dioxide
his type of RNA carries genetic information from DNA to ribosomes for protein synthesis.
mRNA
This phenomenon explains why light bends when passing from air into water
Refraction
If f(x) = 3x + 2, find f(5)
17
What trend do atomic radius and electronegativity follow across a period in the periodic table?
Atomic radius decreases, electronegativity increases
A scientist observes a cell under a microscope and sees a nucleus, mitochondria, and a cell wall. What type of organism is it likely from?
A plant or fungal cell, as animal cells do not have cell walls.)
What is the fundamental force responsible for holding the nucleus together?
Strong nuclear force)
The discriminant of a quadratic equation ax² + bx + c = 0 is given by the expression ___
b2 - 4ac
What type of reaction occurs when an alkene reacts with hydrogen to form an alkane?
Hydrogenation
If a mutation occurs in a somatic cell, will it be passed on to offspring. Justify?
No, only mutations in gametes are inherited.
If a light wave enters water from air at an angle of 30°, will it bend towards or away from the normal?
Towards the normal
The sum of the interior angles of a polygon with n sides is given by this formula
(n-2) x 180