The building block of life.
What is an atom?
Matter cannot be created or destroyed.
What is the Law of Conservation of Matter?
Mutualism, Commensalism, Parasitism, Scavenging and Predation.
What are the types of relationships between organisms?
All of Earth's supply of water.
What is the hydrosphere?
Nuclear energy and fossil fuels.
What are some nonrenewable energy sources?
Contains protons, neutrons and electrons.
What does an atom contain?
One change changes the substance's properties while the other does not.
What is the difference between physical and chemical changes?
Wind, soil and humidity
What are some abiotic factors?
97% of Earth's water is in this form.
How much percent of Earth's water is saltwater?
One of them a sustainable energy source and the other takes millions of years to form.
What is the difference between renewable and nonrenewable energy sources?
One is made up of 1 type of atom while the other is made of different types.
What's the difference between elements and compounds?
Color, density, mass and solubility.
What are some physical properties of elements?
Both factors help sustain life and support different organisms.
How are biotic and abiotic factors linked?
A process that moves water throughout Earth's surface.
What is the water cycle?
Solar, hydroelectric and biomass.
What are some renewable energy sources?
One type of mixture has similar properties throughout while the other does not.
What is the difference between heterogenous and homogenous mixtures?
Change of color, gas formation, change in temperature, solid formation and change in identity.
What 5 characteristics of a chemical reaction?
In one type of relationship, the organisms work together and in the other, they work against each other.
What is the difference between competition and cooperation?
A place where seawater and freshwater combine to create brackish water.
What is an estuary?
Energy that can only be used in certain areas and gives out energy sporadically.
What are the cons of using renewable energy?
A heterogenous mixture with insoluble solid particles that eventually settle out of the mixture.
What are suspensions?
The distribution of electrical charge within a molecule of a substance.
What is polarity?
When one species' numbers go up, the predator species' numbers also go up, resulting in less of the prey population.
What is a common population dynamic between predator and prey?
A process in which deep, cold and nutrient-filled water rises to shallower shores.
What is upwelling?
It is not renewable because of the use of uranium.
Why is nuclear energy not considered renewable?