Hydrology
A sudden increase in algae caused by excess fertilizer (phosphates and nitrates) entering a lake is called:
What is an algal bloom? (Eutrophication)
A tick feeds on a deer. The tick benefits while the deer is harmed. This relationship is:
What is parasitism
What are subatomic particles?
What are protons, neutrons, and electrons
An index fossil is most useful for determining:
What is the relative age of rock layers?
This gas is released when fossil fuels are burned and is a major contributor to the greenhouse effect.
What is carbon dioxide (CO₂)?
Water changes from a liquid into a gas during this stage of the water cycle.
What is Evaporation
A rabbit eats grass and a fox eats the rabbit. The fox is a:
What is a Consumer
Water (H₂O) is made of hydrogen and oxygen chemically bonded together. This is called a ______.
What is a Compound
The oldest rock layers are generally found where relative to younger layers?
What is below them?
Coal, oil, and natural gas are examples of:
What are fossil fuels
Water that soaks into the ground and fills spaces between rocks and soil is called:
What is Groundwater
If a disease greatly reduces the wolf population in an ecosystem, what will most likely happen to the deer population?
What is the deer population will increase?
If a substance has a pH of 3, would it be classified as an acid, base, or neutral?
What is an acid?
Scientists use this scale to organize Earth's history into eons, eras, periods, and epochs.
What is the geologic time scale?
Energy from moving water used to generate electricity is called:
What is hydroelectric energy?
The ocean zone where sunlight can penetrate and photosynthesis can occur is called the:
What is the photic zone?
If a limiting factor such as food becomes scarce, what will most likely happen to population growth?
What is population growth will slow or decrease?
Matter can be separated into two categories, what are they?
What are mixtures and pure substances
Organisms with traits that help them survive and reproduce are more likely to pass those traits on. This process is called:
What is natural selection?
A city replaces several coal-burning power plants with solar farms. What is the most likely environmental benefit?
What is reduced greenhouse gas emissions?
Differences in temperature and salinity drive this type of deep-ocean circulation.
What is thermohaline circulation?
Scientists discover a pesticide has reduced insect populations. Predict one effect this could have on insect-eating birds.
What is bird populations may decrease because there is less food available?
During a chemical reaction, the total mass before and after the reaction remains the same. This scientific principle is known as:
What is the Law of Conservation of Mass?
Scientists discover fossils of the same ancient reptile on two continents separated by an ocean. What major scientific idea does this support?
What is continental drift (or plate tectonics)?
Explain how increasing atmospheric carbon dioxide can affect Earth's climate.
What is more heat becomes trapped in the atmosphere, leading to global warming and climate change?