lab safety
you can run in the lab true/false
false
what do you do first on the scientific method
Ask question
what is mL
volume
when ice cream melts it is a ..............................
physical change
He
helium
you can ask the teacher for help true/false
true
what is the third one
hypothesis
what is g
mass
when burn wood it is a .............................
chemical change
Na
sodium
you can mix chemicals together without the teacher looking true/false
false
the 2nd one on the scientific method is
Research
what is mass/volume
density
mixing water and soap is a
chemical change
Cl
chlorine
always put your goggles on true/false
true
what do you do if your hypothesis is wrong
Think again! Try again!!
144 is the mass and 12 is the volume. What is the answer?
12 g/ml
tearing up paper is a ..................
physical change
O
oxygen
false
say the scientific method in order
ask question, Research , hypothesis, test with experiment , analyze , results
99 is the mass and 11 is the volume. What is the answer?
9 g/ml
having rotten nails is a .................
chemical change
Si
silicon