What is the basic unit of mass in the metric system
GRAMS!
100
What do you NEVER, EVER, UNDER ANY CIRCUMSTANCES, do with lab equipment?
put it in your mouth!
100
How do you word a title for a graph
The independent variable's effect on the dependent variable
100
What are qualitative and quantiative observations? how are they different? give examples of each
Qualitative - Qualities of an object
Quantitative- Amounts
100
2.6 g = ___ kg
.0026 kg
200
What number are all metric units organized around?
The powers of 10!
200
Name 3 ways someone should prepare themselves for lab work
Tie back hair, roll up sleeves, remove any jewelry
200
In what situation do you use a line graph?
To show change over time (or another metric)
200
Make a reasonable inference right now.
(varies)
200
300 m = __ cm
30,000 cm
300
What two units are used to measure volume?
( YOU NEED BOTH!)
Liters and Cubic Centimeters!
300
How do you detect the scent of a chemical?
Wafting! wave the scent towards you rather then sniffing it directly
300
In a bar graph, what goes on the X axis, and what goes on the Y axis?
The X axis should have the independent variable, and the Y axis should have the dependent variable.
300
What does objective mean? What is an example of objective information?
Objective means using only the facts
300
2.436 l = __ cl
243.6 cl
400
What is a meniscus? What is its purpose?
A meniscus is a natural curve in liquids when measured in a graduated cylinder. In order to correctly measure a liquid's volume, you read from the BOTTOM of the meniscus
400
What is the first thing you do if you spill a chemical on yourself?
Wash it off immediately with water!
400
How is a data table organized?
The first column is the independent variable, and the second column has the dependent variable
400
What does subjective mean? Explain and use an example
information including opinions thoughts and/or emotions.
400
.04 kg = __ mg
40,000 mg
500
1. What is water displacement used for?
2. How does it work?
1. Water displacement is used for measuring the volume of an irregular object
2. (steps)
500
What specific care must be taken when heating a chemical in a test tube?
Point the test tube away from yourself and anyone else!
500
What important design piece must be considered when constructing the Y axis of a bar graph?
SCALE!
500
Inferences are VERY simliar to hypotheses. Make an example hypothesis using the proper form we've discussed.