Matter
Simple substances which cannot be further broken down by ordinary chemical or physical means
What are elements?
This is the basic unit used to measure mass
What are grams?
This is the number of significant figures in the measurement 0.00230 g
What is 3?
This piece of lab equipment is used to accurately measure the volume of a liquid
What is a graduated cylinder?
This is the type of energy found in an object that is still (at rest)
What is potential energy?
This description means a substance has a uniform composition (looks the same all throughout)
What is homogeneous?
This is the basic unit used to measure volume
What are liters (or milliliters)?
This is the number of significant figures in the measurement 90210 mL
What is 4?
This piece of lab equipment can be used to provide heat during an experiment
What is a Bunsen burner (or hot plate)?
A change in this could be an indication of a chemical change
What is color, temperature, or smell?
Elements and compounds are made of the same particles all throughout, so they are sometimes called __________ substances.
What is pure?
This is the basic unit used to measure length
What are meters (or centimeters)?
This is the correct scientific notation for 0.00123
What is 1.23x10-3 ?
This is the variable you change in an experiment in order to measure its affect on something else (found on the x-axis)
What is the independent variable?
A production of this could be an indication of a chemical change
What is gas, precipitate, or light?
Flammability is a ________________ property
What is chemical (or intensive) ?
This is the basic unit used to measure density
What is g/cm3 or g/mL?
This is the correct standard notation for the value 9.8x104
What is 98000 ?
An educated guess which attempts to solve a problem or answer a question
What is a hypothesis?
This state of matter has a definite volume, but no definite shape
What is liquid?
This Law states the the mass of the reactants is equal to the mass of the products in a chemical reaction
What is the Law of Conservation of Mass?
The closeness of a measurement to its true value is a measure of its...
What is accuracy?
This is the density of an object that has a mass of 10.0 g and a volume of 2.00 cm3
What is 5.00 g/cm3 ?
This is what you should do if you do not understand a lab procedure
What is ask the instructor?
Density is an _____ property because it does not depend on how much material is present
What is intensive?