What is the formula for density?
mass / volume
Is boiling water a chemical or physical change?
Physical
Is honey or water more viscous?
Honey
What is matter?
Anything that has mass and takes up space
Is salt water a heterogenous or homogenous mixture?
homogenous
If you are given mass and density in a problem, what are you solving for?
volume
Is an expected color change a sign of a chemical change?
no
If an object is less dense than water will it float or sink?
Float
Give an example of an element
Anything on the periodic table
is grinding coffee beans a physical or chemical change?
physical
What is the mass of a substance with a density of 3 g/mL and a volume of 10 mL
30 g
Give two examples of physical properties
mass, density
Define buoyancy
An object's ability to float
Give an example of a heterogenous mixture
is photosynthesis a physical or chemical change?
chemical
What is the density of a substance with a mass of 5g and a volume of 10 mL? Would this substance float on water?
0.5 g/mL, yes it would float
Give two examples of chemical properties
flammability, reactivity
Name some physical properties of honey
thick, sweet, sticky, etc
Classify diamond as a heterogenous mixture, homogenous mixture, element, or compound
Element (carbon)
Where do you read a graduated cylinder from?
What is the density of a substance with a volume of 15 mL and a mass of 15 g. What could be the identity of this substance?
1 mL, water
List the five SIGNS that a chemical reaction has occured
unexpected color change, heat, precipitate formed, gas formed, odor produced
Name a substance that is less dense than water
cork, oil, wood, etc
Define homogenous mixture
A mixture where the parts are evenly distributed
what is the formula for force?
m x a