Lab Safety
Scientific Method
Metric System
Equipment and Graphing
Variables
100
True or false. In the lab, you should touch, taste and smell all the chemicals before your teacher gives instructions for the lab.
false. You should NEVER touch, taste or smell chemicals in the lab.
100
The following statement "the drink is sour" is what type of data/observation?
qualitative
100
Give the metric base unit for length/distance.
meter
100
Name the type of graph shown here.
line graph
100
When experimenting with the ability of children to learn, a scientist uses three of the same type of class (4th grade), three different teaching methods, the same teacher and equal instruction time. What type of variable is the "type of teaching method"?
Independent Variable
200
What is the very first thing you should do if you spill a chemical or break glassware?
tell the teacher immediately
200
This term is used to refer to data that includes measurements, amounts or numbers.
quantitative data
200
Give the metric unit for volume.
Liter
200
True or false. The purpose of a graph is to organize data collected in an investigation or experiment.
False. This is the purpose of a data table. A graph is to show data in a pattern or picture.
200
An experiment is performed to see how different heart medications affect blood pressure. Each patient is given a different type of pill. Each patient is the same age and sees the same doctor for the same amount of time. Identify the independent variable.
type of pill
300
Immediately after you finish handling chemicals, biological specimens, and other lab substances, what should you do to prevent sickness/injury?
wash your hands
300
This type of data deals with descriptions, characteristics or qualities.
qualitative data
300
Convert. 25.3L = ___________mL
25.3L = 25,300 mL
300
Name the type of graph is shown here.
pie chart (graph)
300
An experiment is performed to see how different heart medications affect blood pressure. Each patient is given a different type of pill. Each patient is the same age and sees the same doctor for the same amount of time. Identify the dependent variable.
change in blood pressure
400
This lab safety tool helps protect your eyes.
goggles
400
What do you do after forming a hypothesis to determine if it is true?
experiment (test)
400
Which is larger...
1000mm or 0.1hL ?
0.1hL (10 meters) is greater than 1000 mm (1 meter)
400
True or false. The purpose of a data table is to organize data collected in an investigation or experiment.
true
400
Name the variable that is measured by the scientist in a controlled experiment.
dependent variable
500
True or false. Acid should be poured into water to prevent bubbling and splashing.
true
500
The following statement "If I go to sleep, then I will be rested in the morning" is an example of what part of the scientific method?
hypothesis
500
How many Decaliters are in one Hectoliter.
1hL= 10 DkL
500
Name a tool that can be used for measuring liquid volume in the metric system.
graduated cylinder, beaker, flask
500
Name the variable that is manipulated in a controlled experiment.
independent variable