ONE
a testable prediction
theary
What is hypothesis
SI base unit of length
What is meter
An organized set of procedures is called
What are scientific & engineering practices
The SI unit for temperature
What is Kelvin
a visual display of information or data.
Gragj
what is graph
identify three types of graphs
Lime pie and bar graph
what is bar, line, pie (circle)
why scientists graph data
to show there observations
to detect patterns
a factor that does not change in an experiment
a theary
what is constant
the piece of lab equipment you would use to measure 15 mL of water graduated cylinder
what is graduated cylinder
difference between scientific theory and law
Repeated patterns
what is laws are repeated patterns in nature and theories attempt to explain how and why patterns develop
Why is density a derived unit
what is it is calculated by combining two SI units
convert 4.6 L = _________mL
.0046
.0046 mL
a graph that shows how a relationship between two variables changes over time
Line gragh
what is line
the type of variable plotted on the x-axis and the type of variable plotted on the y-axis of a line graph
Independent
Dependent
what is x-axis independent and y-axis dependent
in an investigation you put a beaker of water in the sun and measure the temperature every 10 minutes for 1 hour.
What is the dependent variable?
Temp
what is temperature
an example of an SI unit
a. inch b. gallon c. pound d. second
Second
what is second
why is it important to do more than one trial in an experiment ri
rule out an error
what is to rule our error (equipment, human, etc)
organized procedure for testing a hypothesis
what is experiment
an idea, event or object that can be used to represent something you are trying to explain
Chart
what is model
the piece of lab equipment you would use to measure 10 grams of sand
Scale
what is balance/scale
if you measured this line ______________, what unit would you use in your answer
Centimeter
what is centimeter
amount of space occupied by an object
Volume
what is volume
symbol for decigram
Dg
what is dg
the SI unit of length used to express length of a pencil
Centimeter
what is cm
calculate the density of 5 marshmallows if their mass is 5 grams and their volume is 15 cm3
3.7
what is D=m/v
5g/15 cm3 = .33 g/cm3
a conclusion formed in a science investigation it is based on hypothesis
what is hypothesis
an interval between two occurring events
Time?
what is time
base units and symbols for
length mass time
meter(m)gram(g)seconds(s)Kelvin(K)
what is length=meter (m) mass=gram (g)
time=seconds (s) temperature=Kelvin (K)
amount of matter an object has is measured by
Mass
what is mass
parts of a CER
Claim evidence reasoning
what is claim, evidence, reasoning