Physical Science
Biology
Earth Science
Chemistry
Potpourri
100
In order for a blue piece of paper to appear blue, what is it doing to any non-blue colors?
It is absorbing them.
100
When a male donkey and a female horse interbreed, what do we call the offspring?
A mule. (A hinny is a female donkey mating with a male horse.)
100
The study of the Earth and its systems is known as _____.
geology
100
Glucose is a type of ______.
Sugar
100
Mechanics use oil as a lubricant in order to reduce what force?
Friction.
200
What kind of energy is associated with the motion of an object?
Kinetic Energy
200
Given that a maple tree has sprouted from a cut maple stump, which inference about the new plant is most likely correct?

A. It has a better chance of surviving than its parent.
B. It has the same DNA as its parent.
C. It has half the number of chromosomes of its parent.
D. It has larger leaves than its parent.
B. It has the same DNA as its parent.
200
Lava forms into what kind of rock?

A. metamorphic
B. igneous
C. sedimentary
B. igneous
200
Which will increase as a material is heated and a change in temperature occurs?

A. the kinetic energy of its molecules
B. the potential energy of its molecules
C. the charge of its molecules
D. the mass of its molecules
A. the kinetic energy of its molecules
200
Which of the following is used to measure work or energy?

A. Newtons
B. meters
C. Joules
D. Kelvins
C. Joules
300
What do you call the maximum displacement in a body's motion?

A. diode
B. amplitude
C. antinode
D. crest
B. amplitude
300
In the late 1930s, the insecticide DDT was developed. Which outcome was most likely a result of using DDT?

A. Many insect species became extinct, and so bat populations increased.
B. Certain insects became endangered, and so laws were passed to protect them.
C. Some insects were naturally resistant to DDT, and thus they survived to produce offspring that were resistant.
D. Decreasing amounts of DDT were required to be effective, and eventually it was no longer needed.
C. Some insects were naturally resistant to DDT, and thus they survived to produce offspring that were resistant.
300
Which of the following would be the best measurement to use in order to determine distances between stars?

A. meters
B. miles
C. light-years
D. seconds
C. light-years
300
The nitrogen cycle is important to all living things because nitrogen is found in which molecules?

A. saturated fats
B. nucleic acids
C. starches
D. sugars
B. nucleic acids
300
Solar radiation caused a skin cell mutation in an individual. Who will be affected by this mutation?

A. only the individual
B. only male offspring
C. only female offspring
D. both the individual and all offspring
A. only the individual
400
Objects in space known as quasars are observed moving away from Earth. Which statement explains this observation?

A. The universe is very big.
B. The universe is expanding.
C. Earth revolves around the Sun.
D. Earth rotates on its axis.
B. The universe is expanding.
400
A scientists discovers a new organism with the following characteristics:
-It is multicellular.
-It can makes its own food.
-Each cell contains a nucleus.
-A cell wall made of cellulose surrounds each cell.

Into which group should this organism be classified?

A. animals
B. plants
C. fungi
D. bacteria
B. plants
400
What type of rock is made by combining many small pieces of other rocks and minerals into a new rock?

A. Metamorphic
B. Igneous
C. Sedimentary
D. Graphite
C. Sedimentary.
400
The half-life of a radioactive isotope is the time that it takes for how much of a given sample to decay?

A. 1/4
B. 1/2
C. 3/4
D. all of it
B. 1/2
400
Which evidence best helped people to accept the idea that Earth is round, not flat?

A. A convincing model of a round Earth was distributed to the people.
B. People had sailed completely around Earth.
C. People had accepted the theory that Earth revolved around the Sun.
D. Some people never returned from sailing expeditions.
B. People had sailed completely around Earth.
500
Which has the highest frequency?

A. light waves
B. microwaves
C. radio waves
D. gamma rays
D. gamma rays
500
Which would most likely decrease the rate of photosynthesis?

A. an increase in the amount of water
B. an increase in the amount of light
C. a decrease in the amount of carbon dioxide
D. a decrease in the amount of oxygen
C. a decrease in the amount of carbon dioxide
500
Which of the following classify as a celestial body?

A. planets
B. moons
C. stars
D. all of the above
E. none of the above
D. all of the above
500
Condensation, sublimation, and evaporation are all examples of what?
Phases changes.
500
Which device was necessary for the Industrial Revolution?

A. microscope
B. telescope
C. steam engine
D. navigational compass
C. steam engine
M
e
n
u