Units
The unit for mass
What is grams?
Variable that goes on the x-axis.
What is the independent variable?
Made up of "stuff" and takes up space.
What is matter?
The amount of significant figures in the following number:
0.000200890
What is 6?
A substance that is made up of the same type of atoms or compounds throughout.
The unit for measured volume.
Variables that are purposefully held constant by the person doing experiment.
What are control variables?
The tool used to measure mass and the unit.
What is a balance and grams?
This type of zero is ALWAYS considered significant.
What is captive zeros?
Made up of two or more different types of atoms that are chemically combined.
What is a compound?
kelvin
Variable that is measured by the experimenter.
What is the dependent variable?
The amount of mass in a certain amount of volume.
What is density?
307,984 rounded to 2 significant figures.
What is 310,000?
A substance that is made up of 2 or more substances that can be separated based on physical properties.
What is a mixture?
The relationship between cm3 and mL.
What is 1:1?
In the statement identify the independent variable: scientist studied the relationship between the amount of rain (in cm) and the number zebras born each spring.
What is the amount of rain?
The speed of particles.
What is temperature?
The answer to the following problem (rounded to the correct number of sig figs):
2.983 + 1.4
What is 4.4?
Type of mixture in which the substances that make up the mixture are evenly disturbed.
What is a homogeneous mixture?
The units for density are derived by.
What is mass/volume?
Using the following statement identify 2 important control variables: a student is completing an experiment to see how the temperature of a liquid affects the volume of the liquid.
What is amount of liquid in the container, type of liquid, container?
(must have 2 correct control variables)
The temperature at which all particles completely stop moving.
What is absolute zero (0 K)?
The answer to the following problem (rounded to the correct number of sig figs):
101.0 x 0.0032 =
What is 0.32?
Smallest particle that has all of the properties of an element.
What is an atom?