For a chlorine atom to become a chloride atom, the chlorine atom must
What is gain one electron
100
the distance traveled is 40 km, the time it took was 2.5 hrs.
What is the average speed?
What is v=40/2.5=16km/hr
100
The first major section of geological time lasting from the origin of the earth 4.5 billion years ago to 590 million years ago
What is Precambrian Era?
100
The relationship between barnacles and whale
What is Commensulism?
100
The relationship between aphid and ladybug
What is Predation?
200
When an atom loses electrons this process is called...
What is Oxidation?
200
A quantity consisting of magnitude only, not direction
What is scalar quantity?
200
Layers of the earth starting with lithosphere
What is lithosphere, asthenosphere, mesosphere, mantle
200
Relationship between fox and owl
What is Competition?
200
A component of soil formed by decomposed remains of plants and animals
What is Humus?
300
The chemical process involving gain of electrons
What is Reduction?
300
You and your friend collide on separate skateboards and fall in opposite directions. Which of Newton's laws does this describe?
What is Newton's Third Law ( for every action there is an equal and opposite reaction.)
300
The area where the ground cracks during an earthquake is called..
What is a fault line
300
Ecosystem changes that occur after a forest fire
What is secondary succession?
300
Doubling time
What is the amount of time it takes a population to double?
400
A chemical reaction that takes place without the addition of external energy
What is Spontaneous Reaction?
400
Another name for "Law of inertia"
What is Newton's second law (Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.)
400
The section of geological time we are currently in is called...
What is Cenozoic Era
400
Rabbits on a deserted island are considered a closed population because...
What is There is no rabbit emigration or immigration
400
Theory of Natural selection...
What is: more organisms are produced than can survive, and that only the organisms best suited to their environment survive to reproduce and in turn pass on the the most advantageous traits to their offspring. Survival of the fittest.
500
Molar mass of C12H22O11 Common table sugar?
What is 12.011x12=144.32
1.008x22=22.176
16x11 = 176
Total=342.496g/moL
500
Energy due to the motion of an object
What is kinetic energy?
500
Three main types of rock..
What is sedimentary, igneous, metamorphic
500
Starting at the bottom describe a typical energy pyramid with and example at each level
What is Producer ( grasses), Primary consumers (mice), Secondary consumers (weasel), Tertiary Consumers (hawk)