Lab Practical 1 Flashcards
(11 cards)
1
Q
Format of hypothesis
A
If (independent variable) then (responding variable)
2
Q
Base unit for mass
A
kg/g
3
Q
Steps + Tool of measuring mass
A
Triple beam balance
- Zero scale
- Slide down pointers
- Place object in pan
- Slide pointers till arrow points at 0
4
Q
Steps + Tool of measuring volume (irregular)
A
Graduated cylinder
- Fill cylinder to smallest possible set amount
- Set object in slowly and as controlled as possible
- Record what the cylinder reads now
- Subtract second value from first
5
Q
Formula for volume (regular)
A
LxWxH
6
Q
Steps and tools for volume of a liquid
A
- Pour liquid into graduated cylinder
- Read meniscus
7
Q
Unit of volume on graduated cylinder
A
mL
8
Q
Calculating density of an object
A
D = Mass/Volume
9
Q
How to show steps
A
- Formula
- Plug in numbers with units
- Answer with unit
10
Q
Percent error formula
A
PE = (|e.v. - t.v.|/ t.v.) *100
11
Q
Steps of creating a data table
A
- Measure paper landscape and divide by number of items + 2
- Draw lines spaced evenly apart using the value above
- Measure paper portrait and divide by number of items
- Draw lines spaced evenly apart using the value above
- Should be two more rows than lines
- Fill in headings
- Create a title (ie. Measuring the Density of Objects)
