Inquiry
Was the acrylic rod conductive?
No, it was not very conductive.
Reflectivity
transparent, insulator, non-magnetic, non-soluble, non-flexible
solid at room temperature
ANSWERS VARY
glass, clear plastic, plexiglass, etc.
If one gram of water takes up one milliliter of space, what is the density of water?
1 g/ml
(One gram per milliliter)
FREEBIE (200 PTS)
FREEBIE (200 PTS)
^.^
The ability of a material to be attracted to a magnet is called
Magnetism
reflective, conductor, flexible
ANSWERS VARY
paper clip, wire, etc.
I have a basketball full of air. Is it possible to pump the basketball so full of air that it will sink when placed in water?
Yes
(but the basketball might pop first)
Which material was magnetic?
The paper clip
solubility
opaque, rigid, reflective, non-conducting, smooth, hard
ANSWERS VARY
stony quartz, common rock, etc.
The density of mercury is about 13 g/ml. Which sphere would float on a sea of mercury: a lead sphere (density 11 g/ml), or a uranium sphere (density 19 g/ml)?
All things being equal, the lead would float, and the uranium would sink.
How long did you have to hold the material in the ice water?
30 seconds
When chemical bonds are made or broken, the material is said to have ___________ properties
chemical properties
viscous, insulator, combustible,
ANSWERS VARY
Oil, kerosene, etc.
An object has a mass of 1.8 kg and a volume of 0.3 cubic meters. What is the density?
1.8/0.3 kg/m^3
or equivalently 6 kg/m^3
Which materials were the best thermal conductors?
Paper clip, aluminum foil, and the copper wire
When metal reacts with air over time to form rust, this is called
corrosion
Reflective, conductor, non-viscuous,
liquid at room temperature
ANSWERS VARY
Water, mercury, etc.
Two objects have equal mass but unequal volume. Which has the greater density?
The one with the smaller volume.