Chemistry
Which of the following is a compound?
A. Oxygen (O2)
B. Carbon monoxide (CO)
C. Hydrogen (H2)
D. Carbon (C)
B. Carbon monoxide (CO)
The second law of thermodynamics states that:
A. energy cannot be created or destroyed
B. things tend to move toward a more disorderly state
C. matter can be created, but not energy
D. kinetic energy is the most efficient source of energyB!
The second law of thermodynamics states that the nature of energy tends to change from a more-ordered state to a less-ordered state (aka entropy increases)
Which statement about nucleic acids is true?
A. They are broken down for energy
B. They are structural components of cell membranes
C. They carry hereditary information
D. They catalyze reactions
C. They carry hereditary information!
What is found at the center of the Earth?
A. The mantle
B. The core
C. Dwayne "the Rock" Johnson
B. The core
Humans have caused which of the following:
A. Earthquakes
B. Landslides
C. Volcanoes
D. A and B
D. A and B
Which compound is organic?
A. H2OB. C6H12O6
C. NaCl
D. Fe2O3
B. C6H12O6
True or False: The energy of the water behind a dam will equal the energy of its eventual movement downstream.
A. True
B. False
C. I don't know
A. True
The Potential Energy of the water behind the dam is the same as the kinetic energy of the moving water.
1st Law of Thermodynamics - Energy cannot be created nor destroyed, only changed from one form to anotherWhich is the strongest acid, based on the pH scale?
A. Lye, pH 13
B. water, pH 7
C. Tomato juice, pH 5D. Vinegar, pH 3
D. Vinegar
Which type of rock is formed from magma?
A. Sedimentary
B. Igneous
C. Metamorphic
D. Phosphoric
B. Igneous
Which of the following can cause tsunamis?
A. Earthquakes
B. Landslides
C. Volcanic eruptions
D. All of the above
D. All of the above
The law of conservation of matter states that:
A. Matter can be transformed
B. Matter can be destroyed
C. Matter can be created
A - Matter can be transformed.
Matter can be neither created nor destroyed, but it can be transformed
What important role does glucose play?
A. Plants breakdown glucose during photosynthesis
B. Organisms break down glucose during cellular respiration
C. The creation of glucose generates energy
D. IDK it just tastes good
B. Organisms break down glucose during cellular respiration
C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy!
Which of the following is not a kind of chemical bond?
A. Ionic Bond
B. Hydrogen Bond
C. Nuclear Bond
D. Covalent Bond
C. Nuclear Bond
Ionic Bonds - A type of bond where electrons are transferred between atoms, creating oppositely charged ions that bond due to their differing electrical charges
Hydrogen Bonds - A weakly attractive interaction between molecules due to the attraction of partial positive and partial negative charges.
Covalent Bonds - A type of bond where atoms share electrons in a chemical bond.
How fast do tectonic plates move on average?
A. 1 - 6 in/yearB. 1 - 6 ft/year
C. 1 - 6 miles/year
D. 1 - 6 ft/month
A 1 - 6 in/year
True or False:
Natural earthquakes and volcanoes are distributed evenly around the world.
FALSE!
90% of Earthquakes and over half of volcanoes occur along the "ring of fire"
O2- is an anion with ___ protons, ____ neutrons, and ____ electrons.
A. 8, 8, 6
B. 6, 8, 8
C. 8, 10, 8
D. 8, 8, 10
D!
8 protons, 8 neutrons, and 10 electrons
Which of these would be classified as kinetic energy?
A. The energy in the bonds of a hydrogen sulfide molecule
B. The energy present in an apple
C. The energy in a fully charged battery
D. The energy of wind flowing past a windmill
D. The energy of wind flowing past a windmill
True or False:
The Sun is the only source of energy for our planet.
False!
Which of the following is not a real boundary type?
A. Divergent boundary
B. Transform plate boundary
C. Vertical plate boundary
D. Convergent boundary
C. Vertical plate boundary
Which country has the most active volcanoes?
A. USA
B. Ecuador
C. China
D. Japan>10% of world's volcanoes
Iodine-131 is a radioisotope with a half-life of ~8 days. What happens after 8 days?
A. Its atomic mass decreases by half.
B. Half of its atoms decay to a stable isotope.
C. It stops releasing ionizing radiation.
D. Half of its electrons are lost to other atoms.B. Half of its atoms decay to a stable isotope.
True of False:
I am an autotroph.
A. True
B. False
C. I don't know.
B. FALSE
Autotrophs create their own food (a la photosynthesis).
Heterotrophs consume other organisms to gain energy.
True or False:
We currently live in the Pleistocene.
FALSE!
We live in the Holocene (or the Anthropocene ...)
Marble is formed when limestone is subjected to heat and pressure over a long period of time. What type of rock is marble?
A. Metamorphic
B. Extrusive igneous
C. Intrusive igneous
D. Sedimentary
A. Metamorphic
The San Andreas fault is located in Southern California, between the Pacific Plate and the North American plate. As the landmasses move horizontally against each other, they cause earthquakes. What type of plate boundary is this?
A. Divergent
B. Transform
C. A subduction zone of a convergent boundary
D. A continental collision at a convergent boundary
B - Transform