Show:
Biotechnology
Evolution
Energy
Chemistry
Hydrology
100
In the US, which is responsible for ensuring the safety of the county's drinking water? A. Environmental Protection Agency (EPA) B. Food and Drug Administration (FDA) C. National Oceanic and Atmospheric Administration (NOAA) D. Center for Disease Control (CDC)
What is A, Environmental Protection Agency (EPA)?
100
What process is most responsible for the extinction of most species of plants and animals that have lived on Earth? A. gene mutation B. environmental changes C. selective breeding D. decrease in reproduction
What is B, environmental changes?
100
Which is a possible disadvantage of using flowing water to produce energy? A. ecosystem damage and loss of land B. reduced carbon dioxide emission C. only suitable for industrial use D. creates reservoirs
What is A, ecosystem damage and loss of land?
100
What happens to water molecules during the boiling process? A. They move faster and move farther apart as they absorb heat B. They move faster and remain close together as they absorb heat C. They move more slowly but move farther apart s they lose heat D. They move slower and move father apart as they absorb heat
What is A, They move faster and move farther apart as they absorb heat?
100
In which oceanic zone do clams and crabs survive by burrowing in the sand? A. oceanic B. intertidal C. deep ocean D. open ocean
What is B, intertidal?
200
Why is protein an important part of a healthy diet? A. It is needed to turn glucose into energy B. It is needed to store nutrients C. It is needed to repair tissue D. It is needed to produce water
What is C, It is needed to repair tissue?
200
Which would indicate that a series of fossils represent the evolution of horses? A. All of the fossils were found in the same layers of rocks as horse fossils B. All of the fossils are completely identical to horse bones C. All of the fossils show similar structures to that of a modern horse D. All of the fossils were located in the same place on Earth as horses
What is C, all of the fossils show similar structures to that of a modern horse?
200
What is the problem with using wind turbines to produce energy? A. They are efficient only in certain areas B. They occupy a small area of land C. They produce a small amount of energy D. They create a large amount of pollution
What is A, they are only efficient in certain areas?
200
If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products? A. 12 atoms of carbon B. 6 atoms of carbon C. 3 atoms of carbon D. 2 atoms of carbon
What is B, 6 atoms of carbon?
200
Why is water from an aquifer more likely to be clearer than water from other sources? A. because it forms where fresh and salt water meet B. because it receives water directly from precipitation C. because it rises to the surface near the ocean D. because pollutants are filtered out by rock and soil deep within the Earth
What is D, because pollutants are filtered out by rock and soil deep within the Earth?
300
A farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to stay alive? A. Larger leaves to protect the fruit B. Different genetic variations that cause resistance to cold C. Reproduction is quicker D. Darker than other strawberries, so they can maintain their heat
What is B, different genetic variations that cause resistance to cold
300
What do earthquakes tell scientists about the Earth's history? A. Earth's climate is constantly changing. B. The continents of Earth are continuously moving. C. Dinosaurs became extinct about 65 million years ago. D. The oceans are much deeper today than they were millions of years ago.
What is B, the continents of Earth are continuously moving?
300
Which of the following is renewable resource? A. Natural Gas B. Hydrothermal Energy C. Coal D. Crude Oil
What is B, Hydrothermal Energy?
300
Which is the best example of a pure substance? A. peanuts B. milk C. gold D. air
What is C, gold?
300
Which of these organisms is a producer in a marine ecosystem? A. fish B. gull C. algae D. worm
What is C, algae?
400
Why is a healthy diet important? A. It maintains a constant body temperature. B. It prevents damage to the internal organs. C. It makes oxygen for all the cells in the body. D. It supplies the body's needs for growth and energy.
What is D, it supplies the boy's need for growth?
400
How do scientists know that some mountains were once at the bottom of the ocean? A. Freshwater rivers flow into the ocean. B. Saltwater fish are found in some mountain streams C. Dinosaur bones have been discovered in mountains D. Marine fossils have been found at the peak of some mountains
What is D, marine fossils have been found at the peak of some mountains?
400
The Law of Conservation of Energy is a statement that.. A. Energy mus be conserved and you are breaking the law if you waste energy. B. The supply of energy is limited so we must conserve. C. The total amount of energy is constant. D. Energy cannot be used faster than it is created.
What is C, the total amount of energy is constant?
400
Which statement best describes how the periodic table is organized? A. Increasing number of atomic number from left to right B. Increasing number of neutrons from left to right C. Decreasing number of electrons from left to right D. Decreasing atomic mass number from left to right
What is A, Increasing number of atomic number from left to right?
400
Which will most likely result if there is an increased upwelling in a coastal area? A. more aquatic life B. less nutrients in the water C. higher water temperatures D. fewer nitrates
What is A, more aquatic life?
500
What do transitional fossils best support? A. the Theory of Biological Evolution B. the Law of Superposition C. the Theory of Geological Evolution D. the Theory of Continental Drift
What is A, the Theory of Biological Evolution
500
Which statement best describes the law of superposition? A. Each sedimentary layer of rock represents 1,000 years of Earth's age, much like the rings of a tree. B. In undisturbed layers of sedimentary rock, the upper rocks are older than the lower rocks. C. In undisturbed layers of sedimentary rock, the lowest contain the older rocks. D. Rocks that form near volcanoes are older than surrounding rock.
What is C, In undisturbed layers of sedimentary rock, the lowest contain the older rocks?
500
Which of the following problems is associated with the burning of coal? A. acid rain B. carbon dioxide emissions C. ash with toxic metal impurities D. all of these
What is D, all of these?
500
An ice cube is placed into a heated pan. What will most likely happen to the molecules in the ice as the ice is heated? A. the molecules will begin to move slower B. the molecules will begin to move faster C. the molecules will increase in density D. The molecules will begin to condense in the air
What is B, the molecules will begin to move faster?
500
If a body of water has high turbidity levels, what can most likely be concluded? A. it has low pH B. it is unsafe to drink C. it is too hot to drink D. it contains a lot of chemicals
What is B, it is unsafe to drink?