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Give an example of a compound
Answers will vary
What is an example of a nonrenewable energy source?
Oil, petroleum, fossil fuels
How are pandemics different from epidemics
Pandemics affect many countries or states; an epidemic is more localized.
Protons have a positive charge and are found in what part of the atom?
The nucleus
How do plants get the food that they need for energy?
the sun
How does the chemical reaction for the decomposition of carbonic acid into water and carbon dioxide represent the law of conservation of matter? H2CO3 -> H2O + CO2
The mass of the atoms in the reactant equals the mass of the atoms in the products.
If the _____ levels in a lake are high, this means that the water is cloudy and unsafe to drink.
turbidity
In some environments, wolves prey on deer for their source of food. If all of the wolves were taken from the environment, what would most likely happen to the deer population?
The deer population would increase and begin to compete for food
How are mutualism and parasitism different?
Both organisms benefit in mutualism, while in parasitism only one organism benefits at the other’s expense.
why isn't all of the Earth’s freshwater available for human use?
Most of Earth’s freshwater is frozen water
What effect does the water cycle have on the total amount of water on Earth?
The total amount of water on Earth remains relatively constant.
What is the most likely result of overusing a particular antibiotic?
more infections caused by bacteria resistant to the antibiotic
Scientists have been able to cause some bacteria to produce insulin. In which area of science would these scientists most likely work?
biotechnology
Scientists have found that new rock layers contain fossils of simple organisms. This is evidence for what theory?
the theory of evolution
In a food chain, some energy is "lost" as it moves up the chain. What kind of energy is the "lost" energy
heat/ thermal energy
Why are upwellings important?
They bring nutrients from the cold, deep ocean waters.
Trace the flow of energy for an aquatic ecosystem containing turtles, insects, sunlight, fish and algae.
Sunlight, Algae, insects, fish, turtle
What would most likely happen to a species that is not able to adapt to a changing environment?
They would become extinct over time.
Describe what happens to the molecules in the ice as the ice is heated
The molecules will begin to move faster.
A scientist finds the bones of a dinosaur. To help determine the approximate age of the dinosaur bones, the scientist will use _____ _______.
Index fossils
Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzu can die because they are starved of sunlight. What type of relationship exists between the trees and the kudzu growing on them?
parasitism
Which is the best way to help prevent the flu from becoming a pandemic?
Getting a vaccine
Describe the Law of Superposition
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
What is the process that allows scientists to compare rock layers with others in a sequence to determine their age?
Relative dating
What word describes a piece of metal that is flexible and easy to shape?
Malleability