Biology
What is the process by which plants make their own food?
Photosynthesis
What is 34
81
Who discovered America?
Christopher Columbus
What is the chemical formula for table salt?
NaCl
What is the unit of measurement for force?
Newton (N)
What is the powerhouse of the cell?
The mitochondria
If a triangle has angles of 40° and 50°, what is the measure of the third angle?
90o
which countries conform the triple alliance?
Germany, Austria-Hungary, Italy.
Which acid is found in lemons and other citrus fruits?
Citric acid
What does the question mark stand for in this equation?
? = Δv/t
Acceleration
What organ in the human body filters blood?
The kidneys
A car travels 180 km in 3 hours. What is its speed?
60 km/h
Who wrote the Declaration of Independence?
Thomas Jefferson
What gas do plants use for photosynthesis?
Carbon dioxide (CO₂)
What do we call materials that allow electricity to flow through them easily?
Conductors
What is the genetic material found in the nucleus of a cell?
DNA
Who created the theorem that describes the relationship between the three sides of a right-angled triangle?
Pythagoras
Who was the first emperor of Rome?
Augustus
What is the chemical symbol for silver?
A) Au
B) Ag
C) Ar
D) Ac
B) Ag
Who discovered the law of conservation of mass that states that mass is neither created nor destroyed in chemical reactions?
Antoine Lavoisier
Which part of the brain controls balance and coordination?
The cerebellum
What is the limit of the equation (x2 - 1)/(x - 1)
if x -> 0
1
What year did the United States declare independence?
1776
What is the atomic number of oxygen?
a) 7
b) 9
c) 8
d) 11
c) 8
What is the acceleration due to gravity on Earth?
a) 9.8 m/s²
b) 9.6 m/s²
c) 9.7 m/s²
d) 9.5 m/s2
a) 9.8 m/s²