A mixture that can be separated by physical means.
What is a Heterogenous Mixture.
100
How do you calculate Density?
What is D=M/V
100
Give me three different examples of a physical Change...
.........varies.......
100
Has a definite volume but takes the shape of its container...
What is a liquid.
100
What is it called when a substance changes from a solid directly to a gas...
What is Sublimation....
Example of this Dry Ice
200
A substance that can be broken down into 2 or more simpler substances...
What is a Compound.
200
How do you calculate Mass if you know Density and Volume?
What is M=DxV
200
When a physical change occurs which of the following does not change?
a. Temperature
b. volume
c. composition
d. shape
What is Composition.
200
A property of Matter...
What is states of matter...
200
How many questions are on the test....
What is 39 questions.
300
The amount of matter in an object...
What is Mass...
300
A block of Aluminum occupies a Volume of 15ml and weighs 45g. What is the Density? include Unit labels
D=M/V 45g/15ml= 3g/ml
300
Copper is expensive and not as easily accessible, so instead of using copper for pennies why don't we use Iron, in replacement, which is cheaper and readily available...
Because Iron is highly reactive with Oxygen and Water....
300
___________is the study of Matter.
What is Chemistry.
300
When is Mrs. Colombini's Birthday?
What is December 7th.
400
The ability of a material to allow heat or electricity to flow...
What is Conductivity...
400
The Density of Ethanol is 0.789g/ml. Calculate the Volume of 600g of ethanol.
V=M/D 600g / 0.789g/ml =________ml
400
Made-up of C,H,O,P,......Transmit heredity, blueprints, genetic code
What are nucleic acids.
400
A physical property is any characteristic of a material that can be observed or measured with out changing the _______________ of the substances in the material.
What is Composition...
400
Daily Double
Use Solvent and Solute in a sentence... Do not define.
500
Definition of Viscosity...
What is a substances ability to hold its shape...
500
An irregular object with a mass of 160g displaces 20ml of water when placed in a large overflow container. Calculate the Density of the Object.
D=M/V 160g/20ml= 8g/ml
500
Which of the following is a chemical change...
a. ice being carved
b. ice melting
c. water boiling
d. water breaking down into hydrogen and oxygen
What is the breaking down into hydrogen and oxygen
500
The ration of the mass of a substance to its volume....