Earth Science
Preserved remains of plants and animals after burial for a very long time
What is a fossil?
The number that determines the identity of an element.
What is the atomic number?
The powerhouse of the cell
What is a mitochondrion?
The sum of the magnitude and direction of every force on an object.
What is the net force?
00
0
Mass extinction event that killed the dinosaurs 66 mya
What is the K-T extinction?
The transfer of energy to the surroundings in a chemical reaction.
What is an exothermic reaction?
Tree species that already existed during the age of dinosaurs
What is a Ginkgo?
Rubbing the cloth on the chair for the levitation experiment is also called charge by ______.
What is friction?
On a standard TI-84 graphing calculator, how many buttons are there?
1
Solid iron and nickel part of the Earth
What is the inner core?
The property of liquids to resist external forces through the cohesion of molecules.
What is surface tension?
The most commonly used form of renewable energy.
What is wind energy?
The law which states that net force is equal to mass times acceleration.
What is Newton's Second Law of Motion?
How many different amino acids are there?
1
The thinner, mostly mafic type of crust that is forced into the mantle
What is an oceanic crust?
The stable isotope of hydrogen that contains one neutron.
What is deuterium?
This bone cell break down old bone tissue.
What is an osteoclast?
A type of force in which multiple charged particles create attractive or repulsive forces.
What is the electrical force?
How many times did you blink yesterday?
4
The big ocean surrounding Pangea
What is Panthalassa?
Heisenberg's principle is that electrons exist in a cloud of probable locations, where the speed and position cannot be simultaneously perfectly known.
What is the uncertainty principle?
These sub-organelles make ribosomes in our cells.
What is nucleolus?
A type of circuit where resistors are directly connected to the battery/cell and use the same voltage.
What is a parallel circuit?
How long is the average person's nose hair, in kilometers?
-6