Measurement
What do you use to measure length?
Ruler
What is a hypothesis?
A testable prediction based on observations that describes a cause and effect relationship between variables. Format: If (IV), then (DV) because (scientific reasoning).
Is burning wood an example of physical or chemical change?
Chemical change
What is the octet rule?
Atoms want a full outer electron shell which means to have 8 valence electrons.
You have tested a substance and it has a pH of 10. Is it an acid or a base?
Base
Convert 1.2L to mL.
1,200 mL
In the paper airplane lab, the dependent variable was what?
Distance
How many neutrons does Beryllium (Be) have?
5
What is the difference between ionic and covalent bonds?
Ionic bonds form between metals and nonmetals. Covalent bonds form between nonmetals.
What is the difference between solute and solvent?
Solute is the one that gets dissolved. Solvent is the one that does the dissolving.
Find the average of 6, 8, 5, 9
7
What is the difference between qualitative and quantitative?
Qualitative describes the qualities, quantitative uses numbers
What are 2 properties of nonmetals?
What is the charge of Sulfur (S)?
2-
Give your own example of a solution. (What is the solute and the solvent?)
Varies