The circle of carbon
Acidity and Invasions
We're breaking up (the nucleus)
energy matters
magnets, how do they work?
100
What natural plant process removes carbon dioxide from the atmosphere using sunlight?
Photosynthesis
100
What causes ocean acidification?
CO2 (carbon dioxide) absorbed from the atmosphere
100
What is nuclear fission
the splitting on an atomic nucleus into smaller parts
100
The hottest phase of matter with the most kinetic energy is...
gas
100
What particles flow through a wire to create electricity?
electrons
200
Deforestation in the amazon rainforest ____(increases or decreases)_______ atmospheric carbon dioxide
Increases
200
Ocean acidification, deforestation and invasive species all ___(increase/decrease)____ biodiversity
decrease
200
For this element tell me...
# of protons:
# of neutrons:
mass number:
atomic number
29 protons
34 neutrons (63-29=34)
mass number = 63
atomic number = 29
200
Name the type of energy that is converted into electrical energy by an electrical generator in a nuclear powerplant.
Magnetic and mechanical
200
Magnets have the ability to repel or attract unpaired ________
electrons
300
What is one natural process that adds carbon dioxide to the atmosphere?
volcanos erupting, cellular respiration
300
What is the name of a species that is non-native and outcompetes native species for space and resources, leading to a decline in biodiversity
Invasive species
300
What is the name of the process in which a unstable isotope releases particles to become more stable?
radioactive decay
300
An element with a higher boiling point has ___(stronger or weaker)___ intermolecular forces?
intermolecular forces = forces holding molecules together
stronger
300
If you put a magnet into a coiled wire you can create...
electricity!
400
Name two human activities that add carbon dioxide to the atmosphere.
deforestation, burning fossil fuels, driving cars
400
How does ocean acidification affect marine animals like shellfish and corals?
disrupts their ability to build calcium carbonate shells
400
What are the 3 products of nuclear fission of a uranium-235 atom?
neutrons, energy, lighter elements
400
The phase change from solid to liquid is called....
melting
400
If you increase the current in a wire the magnetic field surrounding the wire will ____(increase or decrease)__
increase
500
Decomposing biomass (plants and animals) under ground transfers carbon from the __?___sphere to the __?__sphere
Double Points: What is the name of the substance decomposed biomass turns into after thousands of years?
biosphere --> geosphere
Double Points: Fossil fuels
500
What is one impact of deforestation in the amazon rainforest?
habitat loss, more atmospheric CO2
500
In a nuclear power plant, what heats the water to produce steam?
energy released from nuclear fission
500
What kind of heat transfer do you feel when you touch an ice cold glass of water?
conduction
500
How can the strength of an electromagnet be increased?
increase current or number of coils