Nature of Science
What is a testable prediction called?
Hypothesis
What instrument measures mass?
Mass balance / scales
What cell part controls the cell?
Nucleus
What part do you look through?
Solid, liquid, and gas are ________ of matter.
States
What do we call the factor you change in an experiment?
Independent Variable
What is the unit of length that you would use to measure the length of this room?
Metres
What structure do plant cells have that animal cells lack. That is an outer support.
Cell wall
What holds the slide in place?
Stage/ clips
Solid → liquid is called
Melting
What do we call the factor you measure?
Dependent Variable
Mass ÷ volume = ________
Density
What green substance traps sunlight?
Chlorophyll
If the eyepiece magnifies x 10 and the objective lens x 4, what is the total magnification?
x 40
Liquid → gas is called
Evaporating / boiling
What word means “keeping conditions the same”?
Control Variable
What would you use to measure a curved line?
Opisometer
What stain is used when making an onion cell so it can be seen under that microscope?
Iodine
Why does the sample have to be really thin?
To let light through it.
Gas → liquid is called
Condensation
What do scientists collect to support conclusions?
Data or Evidence
If an object floated on water, it must me ______ dense than the water.
less
What large storage space is found in plant cells?
Vacuole
Why is a stain but on the cells
So you can see the parts of the cell.
What is the law called that states that matter cant be created or destroyed?
Law of conservation of mass