All About Numbers
Counting numbers are kept under ________ number.
(a) Natural
(b) Whole
(c) Rational
(d) Odd
(a) Natural
What is the SI unit of force?
A) Joule
B) Newton
C) Watt
D) Pascal
B) Newton
What is the force that pulls objects toward Earth?
A. Magnetism
B. Friction
C. Gravity
D. Electricity
C. Gravity
A quadrilateral with only one pair of parallel sides is called a:
a) Parallelogram
b) Rectangle
c) Trapezoid
d) Rhombus
c) Trapezoid
What state of matter has a definite shape and volume?
A) Solid
B) Liquid
C) Gas
D) Plasma
A) Solid
What does D represent in Roman numeral system?
(a) 100
(b) 500
(c) 1,000
(d) 50
(d) 50
What does DNA stand for?
A) Deoxyribonucleic acid
B) Deoxyribonitrogen acid
C) Dioxide nucleic acid
D) Deoxyribose nitrogen acid
A) Deoxyribonucleic acid
Which of the following is a non-renewable resource?
A) Solar energy
B) Wind energy
C) Coal
D) Biomass
C) Coal
Which term describes two angles whose sum is 90°?
A) Supplementary
B) Complementary
C) Vertical
D) Adjacent
B) Complementary
Which term describes a fraction where the numerator is greater than or equal to the denominator?
a) Proper Fraction
b) Improper Fraction
c) Mixed Number
d) Whole Number
b) Improper Fraction
What is the term for a number that can only be divided by 1 and itself?
a) Composite Number
b) Prime Number
c) Rational Number
d) Whole Number
b) Prime Number
What is the atomic number of carbon?
A) 6
B) 8
C) 12
D) 14
A) 6
Which of the following is an example of a chemical change?
A) Melting of ice
B) Boiling of water
C) Burning of paper
D) Dissolving salt in water
C) Burning of paper
If a square has a side length of 6 cm, what is its perimeter?
A) 12 cm
B) 18 cm
C) 24 cm
D) 36 cm
C) 24 cm
Which gas makes up the majority of Earth’s atmosphere?
A) Oxygen
B) Carbon Dioxide
C) Nitrogen
D) Argon
C) Nitrogen
Which among the following is the largest known number in the world?
(a) ∞
(b) googol
(c) googolplex
(d) gram
(b) googol
What is the pH level of pure water?
A) 0
B) 7
C) 14
D) 10
B) 7
What do plants need to perform photosynthesis?
A. Water, Sunlight, Carbon Dioxide
B. Water, Oxygen, Nitrogen
C. Nitrogen, Oxygen, Sunlight
D. Carbon Dioxide, Oxygen, Water
A. Water, Sunlight, Carbon Dioxide
If a triangle has angles measuring 40° and 75°, what is the measure of the third angle?
A) 65°
B) 75°
C) 85°
D) 90°
A) 65°
What do you call the distance around a circle?
a) Diameter
b) Radius
c) Circumference
d) Area
c) Circumference
If f(x) = 2x² - 3x + 1, what is f(2)?
A) 3
B) 5
C) 7
D) 9
C) 7
Which law states that for every action, there is an equal and opposite reaction?
A) Newton’s First Law
B) Newton’s Second Law
C) Newton’s Third Law
D) Law of Conservation of Energy
C) Newton’s Third Law
What type of simple machine is a wheelbarrow?
A) Lever
B) Pulley
C) Inclined plane
D) Wheel and axle
A) Lever
If the mean and median of a data set are equal, what does it indicate about the data's distribution?
A) It is skewed left
B) It is skewed right
C) It is normally distributed
D) It has no mode
C) It is normally distributed
Which property states that changing the order of numbers in addition or multiplication does not affect the result?
a) Associative Property
b) Distributive Property
c) Commutative Property
d) Identity Property
c) Commutative Property