Earth Science
The top layer of the Earth.
What is the crust?
We start each controlled experiment with this.
What is a focus question?
The formula for this physical property is mass / volume.
What is density?
The chemical symbol is H.
What is hydrogen?
F=ma, what does the "a" stand for?
What is acceleration?
The name of the supercontinent that existed 225 million years ago.
What is Pangaea?
A type of observation that counts or measures.
What is a quantitative observation?
The formation of rust is an example of this type of change.
What is a chemical change or chemical reaction?
The chemical formula is CO2.
What is a carbon dioxide?
The speed AND the direction of a moving object.
What is velocity?
This rock type makes up most ocean crust.
The “R” of CERC stands for...
What is reasoning?
Milk, blood, and the air are examples of this type of mixture.
What is homogeneous?
The two subatomic particles that are found inside the nucleus of an atom.
What are protons and neutrons?
The amount of net force that does NOT cause a change in either the speed or direction of a moving object (be sure to include units!).
What is ON (zero Newtons)?
__________ are scratches in rocks left behind by glaciers.
What are glacial grooves?
The variable that the scientist changes on purpose.
What is the independent variable?
The part of a solution that “does the dissolving”.
What is the solvent?
The atomic number of an element is equal to the number of this subatomic particle.
What are protons (and electrons for neutral atoms)?
You push on a wall with a force of 20N...what is the force of the wall back on you?
What is 20N?
The geologic principle that states older rocks are at the bottom of a rock formation.
What is the Law of Superposition?
Things that stay EXACTLY the same during a controlled experiment.
What are controls?
The method used to separate out different colors of black ink.
What is chromatography?
The process of splitting water molecules into H and O.
What is water electrolysis?
What is inertia?