Graphing
Measurement
Matter
Density
Random
100
What is an appropriate title for this graph?
Earnings vs Day
100
To find the volume of an irregularly shaped object, what do you do?
Use a graduated cylinder and find water displacement
100
Draw a particle picture of a solid melting into a liquid
100
The formula for density is
What is Density = Mass/Volume
100
Why does ice float in water?
Water has a greater density than the ice.
200
What is the slope of this line?
rise/run
4/2= 2
200
How many meters are in 1234 decimeters? (SHOW WORK!)
123.4 meters
200
Dissolving lemonade powder in water is what kind of change?
Physical change (just mixed, cam evaporate water out)
200
The density of liquid water is always
What is 1g/ml or 1g/cc
200
What unit do we measure MASS and VOLUME in?
Mass=grams, Volume= Liters, ml, or cm3
300
If the equation of this line is y=5x + 0, predict how much 56 books would cost?
y=5(56) +0
y=280 dollars
300
How many millimeters are in 45.0 dekameters? (SHOW WORK)
450000 mm
300
Why is burning something a chemical change?
because you create something new (smoke, ash, etc) and it is not reversible.
300
If the volume of a mineral is 20ml and the mass of the mineral is 5g, what is the minerals density?(SHOW WORK)
What is .25g/ml
300
What does the law of conservation of mass state?
Matter cannot be created or destroyed, but can change form.
400
Use the graph to predict how tall a tree will get by day 20.
y=4x + 8
y=4(20) +8
y=88 in
400
What is the correct reading of the liquid?
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24.0, 23.9, 24.1
400
I mix 25g of baking soda with 37g of vinegar in a flask. After my experiment, the solution in the flask weighs 51g. How much CO2 was released from the bubbles of this experiment?
Law of conservation of mass!
Before = toal 62g
After= 51g so 11 must have left the system!
400
If the density of an object is 2g/ml and its volume is 12ml, its mass is...(SHOW WORK)
24g
400
A 40g rock was placed in a graduated cylinder with 20ml of water. If the water level rose to 56 ml, what is the rocks density? (SHOW WORK)
d=m/v
d=40/36
d=1.11g/ml
500
Will this substance float or sink in water? Explain how you know
density= 8/3= 2.67g/ml
More dense than water (1g/ml) so sink!
500
What is the correct reading of this liquid?
6.60, 6.61, 6.59
500
Draw a particle picture for a piece of paper burning.
Paper particles and oxygen particles separate at first, then something new forms! They link though bonds.
500
If the density of an object is 6g/ml and the mass is 34g...then the objects volume would be (SHOW WORK)
What is 5.67ml
500
A granite block has a density of 8.3g/ml. If the block were cut into 4 equal pieces, the density of the blocks compared to the original piece of granite would be
The same density because density is a characteristic property, it is always the same for a substance!