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Chemistry
Energy
Hydrosphere
Microbiology
Wild Card
100
How does a balanced chemical equation satisfy the Law of Conservation of Mass? a. The total amount of matter stays the same b. The matter is destroyed. c. One or more new substances are formed. d. The total number of atoms increases.
What is A! During a chemical reaction, the total amount of matter stays the same
100
Which is a problem with using wind turbines to produce energy? a. Turbines are efficient only in certain areas. b. Turbines occupy a small area of land. c. Turbines produces a large of amount of energy. d. Turbines crease a large amount of pollution.
What is A! Wind Turbines are efficient only in certain areas.
100
In the United States, which is responsible for ensuring the safety of our county's drinking water? a. Environmental Protection Agency (EPA) b. Food and Drug Administration (FDA) c. National Oceanic Atmospheric Administration (NOAA) d. Center for Disease Control (CDC)
What is A! Environmental Protection Agency (EPA)
100
Malaria is a common disease in many countries. What is the cause of this disease? a. A virus b. A bacterium c. A fungus d. a parasite
What is D! A parasite An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
100
Which 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 layers are older than the lower layers. c. In undisturbed layers of sedimentary rock, the lower layers contain the older rocks. d. Rocks that form near volcanos are older than surrounding rock.
What is C! In undisturbed layers of sedimentary rock, the lower layers contain the older rocks.
200
Which is the best example of pure substance? a. peanuts b. Milk c. Gold d. Air
What is C. GOLD!
200
Which is an example of renewable energy resource? a. Biomass b. Coal c. Gas d. Oil
What is A! Biomass
200
Which factors can have the greatest effect on the health of a river system? a. Type of soil and salinity b. Nitrate levels and turbidity c. Human consumption and pH d. Natural disasters and tidal changes
What is B! Nitrate levels and turbidity
200
How can the rate of an infectious disease be drastically reduced? a. By taking medication daily. b. By preventing transmission between people. c. By wearing clean clothing daily. d. By performing dental hygiene three times each day.
What is B! By preventing transmission between people.
200
How do scientist know that some mountains where once at the bottom of an ocean? a. Freshwater rivers flow to the ocean. b. Saltwater fish are found in some mountain streams. c. Dinosaur bones have been discovered in the mountains. d. Marine fossils have been found on the peaks of some mountains.
What is D! Marine fossils have been found on the peaks of some mountains.
300
Which statement best explains how periods on the periodic table are organized? a. Increasing by atomic number from left to right. b. Increasing by neutrons from left to right. c. Decreasing number of elections from left to right. d. Decreasing atomic mass number from left to right.
What is A! Increasing by atomic number from left to right.
300
In a food pyramid, which best explains why the number of organisms decrease from one trophic level to the next? a. Consumers at the lower level require more energy than the top-level consumers. b. Consumers at the top level require more energy than the lower-level consumers. c. The consumers are feeding on larger organism that have less energy. d. The consumers are feeding on smaller organism that have less energy.
What is B! Consumers at the top level require more energy than the lower-level consumers.
300
Which will most likely result if there is 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
300
What is involved in created genetically modified bacteria? a. Allowing them to reproduce freely. b. Changing their food source. c. Using biotechnology techniques. d. Growing them in selected plants.
What is C! Using biotechnology techniques.
300
What do earthquakes tell scientist about the history of the planet? a. Earth's climate is constantly changing. b. The continents of Earth are continually moving. c. Dinosaurs became extinct about 65 million years ago. d. The oceans are much deeper today then millions os years ago.
What is B! Marine fossils have been found on the peaks of some mountains.
400
An ice cube is put 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 begin to increase in density. d. The molecules will begin to condense in the air.
What is B! The molecules will begin to move faster
400
Where do plants get most of their energy they need to live and grow?
What is SUNLIGHT!
400
Which best determines the health of a lake used as a source of freshwater? a. Its depth and width b. Its temperature and pH c. Its location and depth d. Its temperature and depth
What is B! Its temperature and pH
400
Why do doctors suggest that people get a flu vaccine each year? a. Viruses replicate more rapidly over time. b. Viruses can mutate from year to year. c. Vaccines are absorbed by the body after a year. d. Vaccines get stronger over time.
What is B! Viruses can mutate from year to year.
400
Which food provides the MOST energy to the body in the shortest amount of time? a. potato b. meat c. milk d. fruit
What is D! Fruit
500
Which best explains why the total mass of the product(s) would be less than the total weight of the reactant(s) after a chemical reaction? a. A physical change occurred. b. Atoms involved in the reaction lost mass. c. Precipitates were created in the new solution. d. Gases were released to the atmosphere.
What is D! Gases were released to the atmosphere.
500
If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from the areas where deer live? a. The population of deer will increase. b. The population of deer will decrease. c. The population of deer will remain the same. d. The population of deer will become extinct.
What is A! The population of deer will increase
500
Which of these organisms is a producer in a marine ecosystem? a. Fish b. Gull (seagull) c. Algae d. Worm
What is C! ALGAE!
500
Which of these careers would a student studying biotechnology most likely pursue? a. electoral engineering b. astronomy c. agricultural resource d. geology
What is C! agricultural resource
500
Why is protein an important part of a healthy diet? a. It is needed to change glucose to energy. b. It is needed to store nutrients. c. It is needed to repair tissues. d. It is needed to produce water.
What is C! It is needed to repair tissues.