Lad Safety
you should never wear your goggles when in a lab
TRUE OR FALSE
what is false
C
what is carbon
FIREWORKS
what is chemical change
Brittle-Break easy
is nonmetal or metal
what is nonmetal
find the density
20cm3 and 1260g
what is 63g/cm3
you should always have your hair up in a science lab
TRUE OR FALSE
what is true
H
what is hydrogen
broken pencil
what is physical change
A metal is an element that is easily pulled into wires ...
what is or hammered out
A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 g. What is its density?
what is 2.7 g/ml
you should never wear gloves during a science experiment
TRUE OR FALSE
what is false
what is helium
melting ice cream
what is physical change
if it is a good conductor is it metal or nonmetal
what is metal
To calculate density you:
what is,Divide mass by the volume
you should always report accidents to your teacher
TRUE OR FALSE
what is true
O
what is oxygen
rotting apple
what is chemical change
Conduct electricity well but not as good as metals is ...
what is metalloids
Objects that more dense than water will:
what is will sink
you should never play with the glass objects
TRUE OR FALSE
Si
what is silicon
melting ice
what is physical change
if it is luster is it metal or nonmetal
what is metal
Volume = L X W X H
If an object has a mass of 1625 g and length of 5cm, a width of 5cm, and a height of 5cm what is its density?
What is 13g/cm3