The Metric System
This SI unit measure length and its official standard symbol is a lowercase 'm'
Meter
This axis is where you must always plot the dependent variable on a graph
Y-axis
When measuring liquid level in a glass cylinder, you read from this part of the meniscus
The bottom
Student X gets trial results of 3.10g 3.11g 3.09g and 3.10g, relative to the 2.50g standard. What type of precision and accuracy is this data?
High precision and low accuracy
The prefix "kilo-" represents this numerical factor
1,000
Ordered from smallest to largest, these four metric prefixes rank as milli-, centi-, deci-, and this base modifier meaning ten
Deka-
In an experiment testing how fertilizer amount affects tomato yield, the amount of fertilizer represents this variable
Independent variable
If a 180 g stone raises the water level in a cylinder from 30 mL to 70 mL, the stones volume is what?
40 mL
Student Y gets trails results of 1.20g 3.8g 2.10g 2.90g. Relative to the mass of 2.5g what type of precision and accuracy is this?
Low precision and low accuracy
To calculate the volume of a cube with side lengths of 3cm you would get this volume
27cm3
When converting 250 millimeters into decimeters you get this value
2.4 decimeters
Variables like pot size, soil type, and sunlight exposure kept identical across all trials are called what?
control variables
Using a stone with a 240 g mass and a 60 mL volume, what is the density?
240g/60mL
4g/mL
Student Z gets trials of 2.1g, 2.9g, 2.2g and 2.8g (averaging 2.5g) relative to the 2.5g value, what type of precision and accuracy does this show?
Low precision and high accuracy
This SI base unit measures temperature, symbolized by a capital "K"
Kelvin
Written in standard decimal form, 3.15 x 10^-4 equals this number
0.000315
In the CER framework, the evidence section must be backed up by this directly observed information
Data
A toy block has a mass of 90g and a volume of 120cm3. in water (density of 1.0g/cm3), will this block sink or float?
float
High precision and high accuracy
An object with a mass of 50g and a volume of 25 cm3 has this density?
2.0g/cm3
Expressed in scientific notation 74000 is written like this
7.4 x 10^4
Expressed in scientific notation, 840,000 is written this way
8.4 x 105
Covert 0.00082 Kilograms into centigrams
82 centigrams
The key difference between precision and accuracy is that precision measures repeatability, which accuracy measures closeness to this
True or accepted value
Written in standard decimal notation, 5.02x10-3 is this value
0.00502