Science (General)
What percent of the Earth is covered by water?
A. 85%
B. 71%
C. 55%
D. 50%
B. 71%
What is the fundamental unit of digital information (this is often represented as a binary number)?
What is a bit?
Name the six classical simple machines.
What are the level, wheel and axle, pulley, inclined plane, wedge, and screw?
Factor: 5x3+30x2+40x
5x(x+2)(x+4)
Plasmids are autonomously replicating circles of DNA containing one or a few genes. How many plasmids may a single bacterium carry?
A. 0
B. 1
C. 2
D. No fixed limit
D. No fixed limit
How many elements are there in the Periodic Table?
A. 121
B. 116
C. 118
D. 107
C. 118
This protocol is used for transmitting web pages over the internet (full form - not abbreviation - is preferred!).
What is Hypertext Transfer Protocol (HTTP)?
This construction material is made by mixing cement, sand, gravel, and water.
What is concrete?
The length of the sides of a square and a regular hexagon are the same. the perimeter of the hexagon is 72 in. What is the area of the square?
144 in2
What is the most common term used in genetics to describe the observable physical characteristics of an organism caused by the expression of a gene or set of genes?
Phenotype
What is the difference between mass and weight in physics?
Mass refers to the amount of matter in an individual, while weight is the measure of how the force of gravity acts upon that mass.
Name the unique address that is assigned to each device connected to a computer network.
What is an IP address?
The four primary forces acting on an aircraft are lift, weight, thrust, and...
If a woman 5 2/3 feet tall casts a shadow which is 4 feet long, then how many feet long is a shadow cast by a telephone pole which is 17 feet high?
12 feet long
In a gel electrophoresis experiment, in which of the following directions will a DNA sample move, and why?
A. Toward the negative electrode because DNA has a positive charge
B. Toward the negative electrode because DNA has a negative charge
C. Toward the positive electrode because DNA has a positive charge
D. Toward the positive electrode because DNA has a negative charge
D. Toward the positive electrode because DNA has a negative charge
Which woman scientist's calculations of orbital mechanics as a NASA employee were critical to sending the first Americans to space?
A. Ada Lovelance
B. Rosalind Franklin
C. Gladys West
D. Katherine Johnson
D. Katherine Johnson
Select the correct chronological order of these NASA space programs:
A. Artemis, Gemini, Mercury, Apollo
B. Gemini, Mercury, Apollo, Artemis
C. Mercury, Gemini, Apollo, Artemis
D. Artemis, Mercury, Gemini, Apollo
C. Mercury, Gemini, Apollo, Artemis
Name the two types of current commonly used in electrical circuits.
What are direct current (DC) and alternating current?
Two numbers have a GCF of 18 and an LCM of 120. If one number is 90, what is the other?
72
What human organ produces the majority of immune complement proteins?
Liver
An aqueous solution in which the concentration of OH– ions is greater than that of H+ ions is:
A. Basic
B. Acidic
C. Neutral
D. In equlibrium
A. Basic
This groundbreaking invention (patented by Tim Berners-Lee in 1990) has revolutionized the way we access and share information on the internet.
What is the World Wide Web?
This type of bridge is made of cables suspended between towers.
What is a suspension bridge?
Sly knows that his quiz scores were 92, 85, 96 82, 88, and 91 for the first quarter, but he can’t remember what he earned on the test. His teacher told him that his combined average for the quizzes and the test is exactly 90 and that she counts the test as two quizzes. What score did Sly get on his test?
93
During which phase of interphase does expression of proteins needed to prepare for DNA replication increase?
G1 Phase