Math
Life Science
Earth and Space
General Science
Physical Science
100

If dog food can be purchased in packages of either 3 pounds or 5 pounds, in how many different ways can exactly 150 pounds be purchased?

11

100

In the Kingdom Animalia, what is the only phylum that lacks true tissues?

SPONGES (ACCEPT: PHYLUM PORIFERA)

100

Tornado alley is a region in the Midwest including parts of Texas, Oklahoma, Kansas and Nebraska. Tornadoes are common here because of the confluence of cold dry air from the northwest and what from the Gulf of Mexico?

WARM MOIST AIR (ACCEPT: HUMIDITY) _______________________________________

100

What is the name for the in vitro technique that rapidly generates large amounts of DNA from a small amount of template DNA?

POLYMERASE CHAIN REACTION (ACCEPT: PCR)

100

How is the speed of a wave affected when the amplitude increases?

IT REMAINS THE SAME (ACCEPT: IT IS UNCHANGED OR NO CHANGE)

200

The volume of a cube with an edge that is an integer is represented by the value 72n, where n is an integer. What is the smallest possible value for n?

3

200

What age-related process in plants is characterized by fruits, flowers, and leaves falling from trees after they have completed development?

SENESCENCE (ACCEPT: BIOLOGICAL AGING)

200

A space plasma is a combination of what two things?

ELECTRONS AND IONS (ACCEPT: POSITIVE IONS)

200

List the four lobes of the cerebral cortex.

FRONTAL, PARIETAL, OCCIPITAL, AND TEMPORAL

200

In a sample of a radioactive element, 75% of the nuclei have undergone radioactive decay after 10 years. What is the half-life of this element?

5 YEARS

300

Suppose a two digit number is added to the number formed by interchanging its digits. The result is how many times the sum of the original digits?

11

300

You come home from school to discover your grandmother making fresh bread from scratch. You tell her that you don’t want to eat it because it contains a fungus. To what specific ingredient do you object?

YEAST (ACCEPT: SACCHAROMYCES OR SACCHAROMYCES CEREVISIAE, OR BAKER’S YEAST)

300

Saturn’s moon, Enceladus [en-SEL-uh-duhs], has a surface reflectivity of about 100% and an average surface temperature of 75 Kelvin. What does this indicate about the chemical surface composition?

: IT IS ICE (ACCEPT: WATER ICE)

300

What term is used to refer to all of a person’s genetic information, including the DNA in chromosomes and the mitochondria [my-tuh-KON-dree-uh]?

HUMAN GENOME (ACCEPT: GENOME)

400

Arrange the following four in historical order, earliest to most recent: 1) Newton’s calculus, 2) Euclidean geometry, 3) Pythagorean theorem, 4) Boolean algebra.

PYTHAGOREAN THEOREM, EUCLIDEAN GEOMETRY, NEWTON’S CALCULUS, BOOLEAN ALGEBRA (ACCEPT: 3, 2, 1, 4)

400

What small, regularly-shaped cell fragments circulate in the blood of mammals and lead to the formation of blood clots?

PLATELETS (ACCEPT: THROMBOCYTES)

500

Solve the following inequality for d: │(7 + 8d)│ < 14 [absolute value of the quantity 7 plus 8d is less than 14].

-21/8 < d < 7/8 (ACCEPT: -2 5/8 < d < 7/8 OR -2.625 < d < .875)

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