Jack fills up a graduated cylinder to 10mL of water and adds a rock. The meniscus raises to 47ml mark on the graduated cylinder. What is the volume of rock?
37mL.
100
What is the equation to find density
Mass/Volume or g/ml.
100
What is the phase change from liquid to gas?
Evaporation.
100
What is a fire blanket used for?
To put out fires.
200
What type of zeros are sometimes significant?
Trailing zeros.
200
Why do we use water displacement?
To find the volume of an IRREGULARLY SHAPED OBJECT.
200
What equation must you use to find the volume of an object with just the mass and density?
Mass/density.
200
What is the phase change from liquid to solid?
Freezing.
200
How does a decrease in volume affect the density of the same substance?
No Change.
300
What type of zeros are never significant?
Leading zeros.
300
Samantha fills up a graduated cylinder to 47.5 ml of water. She places a pencil and the meniscus raises to 60 ml of water. What is the volume of the pencil?
12.5ml
300
What equation must you use to find the mass of an object only knowing the volume and density?
Volume x density.
300
What is the phase change from gas to liquid?
Condensation.
300
What is the example of deposition (hint:Christmas time)
Snow.
400
How many significant digits are in this number?
110123.3400
10.
400
What is the mass of a chair with the density of 20g/ml and a mass of 200g?
10mL
400
What is property of an object of this sentence?
"the brown wooden stool"
The brown stool
400
What is the phase change from solid to gas?
Sublimination.
400
What is the flat portion on the heating curve when which the temperature remains constant and a change in phase occurs?
Plateau.
500
How many significant digits are in this number?
00100100
Four.
500
What is the volume of a square that has a height length and width of 7cm?
343ml
500
What is the property of the substance in this sentence?
"The black iron chain"