Chemistry
This process changes a liquid into a gas when heat is added.
What is evaporation?
Resources like sunlight and wind that can be replaced naturally are called these.
What are renewable resources?
The hydrosphere includes all of this substance on Earth.
What is water?
A group of organisms of the same species living in the same area is called this.
What is an ecosystem?
Disease-causing microorganisms are called these.
What are pathogens?
In a chemical reaction, the substances you start with are called these.
What are reactants?
Coal, oil, and natural gas are examples of these energy resources.
What are fossil fuels?
Most of Earth’s freshwater is stored in these frozen masses.
What are glaciers and ice caps?
Organisms that make their own food through photosynthesis are called these.
What are producers?
This type of pathogen cannot reproduce without a host cell.
What is a virus?
This law states that matter cannot be created or destroyed.
What is the Law of Conservation of Mass?
This practice reduces the use of natural resources by using materials again.
What is recycling?
This part of the water cycle occurs when water vapor cools and forms clouds.
What is condensation?
This relationship occurs when both organisms benefit from the interaction.
What is mutualism?
Washing hands helps prevent the spread of these disease-causing organisms.
What are germs/pathogens?
When two substances combine and form a completely new substance, this type of change has occurred.
What is a chemical change?
Cutting down forests faster than they regrow is called this.
What is deforestation?
Water that soaks into the ground becomes this type of water.
What is groundwater?
In an energy pyramid, this group is found at the bottom because it contains the most energy.
What are producers?
This body system protects the body from pathogens.
What is the immune system?
Solids, liquids, and gases are the three common forms of this.
What are states of matter?
This type of resource cannot be replaced quickly once it is used up.
What is a nonrenewable resource?
Oceans contain about this percentage of Earth’s total water.
What is 97%?
This type of consumer eats only plants.
What is an herbivore?
Vaccines help the body prepare to fight off this type of disease.
What is an infectious disease?