CELLS
What oraganelle is responsible for making proteins?
Ribosomes
What is kinetic energy?
The energy that an object possesses due to its motion.
What is an atom?
The smallest part of an element that is a basic unit of matter
Which tectonic plate is subducting below the North American plate and is creating volcanoes such as Mount St. Helens and Mount Rainier?
Juan de Fuca
Which of the following would be considered a biotic factor in an ecosystem?
Lichens breaking down rock to help create soil
What holds the nucleus together?
Nuclear Membrane
Potential energy means the latent energy in an object at rest. True or False?
True
What is an atom's atomic number?
The number of protons in the nucleus of an atom.
Composed primarily of molten iron and nickel, which is the Earth’s only liquid layer?
Outer core
What causes steam fog to form over ponds during some fall mornings?
The pond water being warmer than the air directly above it
Which organelle is responsible for generating energy in the form of ATP within a eukaryotic cell?
Mitochondrion
What type of energy is primarily used in a submarine’s reactor to allow it to stay at sea for extended periods of time?
Nuclear energy
What is matter?
Anything that has mass and occupies space.
What is the primary cause of the hypoxic zone in the Gulf of Mexico, near the mouth of the Mississippi River?
High amounts of nitrogen and phosphorus from farming
Why do hurricanes weaken when they move over land or deeper ocean waters?
They lose access to warm water needed for energy
What does a plant cell have that an animal cell does not?
Cell Wall
Can you create or destroy energy?
No, it can be transformed or converted into another form.
The number of _______________ determines what element it is.
protons
The Hawaiian Islands are an archipelago found in the middle of the Pacific Ocean. What process formed these islands?
Hot spot volcanism
The most abundant mineral on the Mohs hardness scale is quartz. What would the hardness of quartz be?
7
What organelle contains water and dissolved minerals?
Vacuole
Convection can occur in ___________.
Liquids and gases
The smallest identifiable unit of an element is a(n)___________.
Atom
Plate tectonics are driven by the process of heat being transported from the Earth's interior to the surface, through the movement of hot and cold currents in the mantle. What is this type of energy transfer called?
Convection
What unusual characteristic of water is observed when it reaches its freezing point?
Water expands as it freezes