Matter and Atoms
Are protons positive, negative, or neutral?
Positive
What is the main characteristic of a chemical change?
Forms a new substance
What is a biotic factor?
Something living or once living
What can eutrophication cause?
Algae blooms
What is the difference between renewable and non-renewable sources?
Renewable sources can easily be replenished
What is the center of the atom called?
The nucleus
During a chemical change can heat be absorbed or released?
Yes
What is an abiotic factor?
Something non-living
What does DO stand for?
Dissolved oxygen
What are some examples of non-renewable resources?
Coal, fossil fuels, oil, and metals.
What is all matter made up of?
Atoms
Whats the main difference between chemical and physical reactions?
Physical changes do not form a new substance.
What is a main threat to biodiversity?
Habitat loss
What is water temperature?
The degree/intensity of thermal energy
What are two forms of energy?
Potential or kinetic
Do neutrons have any charge?
No
Can mass be created or destroyed?
No
What is mutualism?
A symbiotic relationship where both organisms benefit
What is turbidity measured in?
NTU's
What are some environmental impacts of using wind turbines?
Noise pollution and habitat loss
Which subatomic particles are in the nucleus?
Protons and neutrons
When balancing equations what is the arrow pointing to the product called?
Yields
What is predatation?
The preying of one animal on another.
When does water freeze and boil?
Freezes at 32 degrees and boils at 212 degrees
What are the four energy sources?
Solar, wind, geothermal, and biomass