Matter and Atoms
Chemical Reactions
Ecosystems and Interactions
Earth's Systems
Energy Resources
200

The building block of life.

What is an atom?

200

Matter cannot be created or destroyed.

What is the Law of Conservation of Matter?

200

Mutualism, Commensalism, Parasitism, Scavenging and Predation.

What are the types of relationships between organisms?

200

All of Earth's supply of water.

What is the hydrosphere?

200

Nuclear energy and fossil fuels.

What are some nonrenewable energy sources?

400

Contains protons, neutrons and electrons.

What does an atom contain?

400

One change changes the substance's properties while the other does not.

What is the difference between physical and chemical changes?

400

Wind, soil and humidity

What are some abiotic factors?

400

97% of Earth's water is in this form.

How much percent of Earth's water is saltwater?

400

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?

600

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?

600

Color, density, mass and solubility.

What are some physical properties of elements?

600

Both factors help sustain life and support different organisms.

How are biotic and abiotic factors linked?

600

A process that moves water throughout Earth's surface.

What is the water cycle?

600

Solar, hydroelectric and biomass.

What are some renewable energy sources?

800

One type of mixture has similar properties throughout while the other does not.

What is the difference between heterogenous and homogenous mixtures?

800

Change of color, gas formation, change in temperature, solid formation and change in identity.

What 5 characteristics of a chemical reaction?

800

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?

800

A place where seawater and freshwater combine to create brackish water.

What is an estuary?

800

Energy that can only be used in certain areas and gives out energy sporadically.

What are the cons of using renewable energy?

1000

A heterogenous mixture with insoluble solid particles that eventually settle out of the mixture.

What are suspensions?

1000

The distribution of electrical charge within a molecule of a substance.

What is polarity?

1000

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?

1000

A process in which deep, cold and nutrient-filled water rises to shallower shores.

What is upwelling?

1000

It is not renewable because of the use of uranium.

Why is nuclear energy not considered renewable?

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