Earth Science
The layer of the earth that is liquid and made of nickel and iron.
What is the outer core?
Often written in IF/THEN format and states what it is that you are testing.
What is a hypothesis?
The two subatomic particles that are found in the nuclues.
What are protons and neutrons?
All matter is either a mixture or a ________.
What is a pure substance?
__________ is an attractive force that exists between all objects that have mass.
What is gravity?
The crustal layer of the Earth that is relatively thin and dense.
What is oceanic crust?
The variable that is purposefully being changed by the scientist.
What is the independent variable?
The atomic # = the number of __________.
What is protons?
Baking a cake is an example of this type of change.
What is a chemical change?
The type of friction that exists between a bureau and the floor when the bureau is being pushed across the floor.
What is sliding friction?
The meteorologist and arctic explorer who first proposed the hypothesis of continental drift in 1910.
Who is Alfred Wegener?
A type of observation that could be color, shape, texture or ordor.
What is a qualitative observation?
Atom is to Element as
Molecule is to ___________ .
What is compound?
Mixtures can be separated by this type of change.
What is a physical change?
Newton's first law is also known as the Law of _____.
What is inertia?
The supercontinent that existed about 250 million years ago.
What is Pangaea?
The missing 5th part of a graph:
x-axis, y-axis, data, title
What is the key?
The element with two protons and atomic #2.
What is helium?
The name of the method used to separate black ink.
What is chromotography?
F=
What is ma?
The boundary type where crust slides past each other (an example is the San Andreas Fault)
What is a transform boundary?
Parts of the experimental design that remain the same for all trials.
What are controls?
The name of the collective group of elements in column #18 (the farthest to the right).
What are the noble gases?
The type of chemical reaction that gives off heat to it's surrounding environment.
What is exothermic?
Newton's 3rd law states that when objects collide there is a force pair consisting of an action force and a ________.
What is a reaction force?