Uses numbers and measurements to quantify something
What is quantitative?
The type of data that scientists record from making observations using the 5 senses based on qualities?
Qualitative data
What was the I.V. and D.V. for the Soap/Sanitizer lab?
I.V. = cleaning Methods/Products
D.V. = bacterial growth
What is the independent variable?
The variable that is being changed or manipulated by the scientist. It is the "cause" in a hypothesis.
Type of equipment used for small chemical reactions, but never used for measurements.
test tube
After makings observations you begin to draw these conclusions.
What is an inference?
All scientific experiments require these two variables
Independent and dependent
How many paragraphs are in the Analysis section?
3
I.V.?
If people eat high-sugar diets, then they are more likely to develop depression.
sugar in diets
What is the best equipment to use when measuring volume?
Graduated cylinder
The investigation and exploration of natural events that occur in the world around us.
What is science?
Look at the picture. Make a qualitative observation, a quantitative observation, and an inference.
Qualitative = observation that describes qualities using words
Quanitative = observation using numbers
Inference = A guess about an object or outcome based on your observations
According to the graph in the lab report, what was the most effective method and product for eliminating bacteria?
Equate sanitizer
The variables that remain the same for all trials in an investigation so that the experiment can be VALID.
Constant variables
On the whiteboard, write the unit used to measure temperature in the lab.
oC
A well-supported explanation of the natural world (hint: explains WHY something happens).
What is theory?
DAILY DOUBLE: What type of question do laws in science answer about scientific phenomenoms?
Laws help to explain HOW phenomenoms occur in science.
What type of information about the lab should you have included at the beginning of the conclusion paragraph in your lab report?
Restate the hypothesis and state whether the data supported or rejected it.
Name the control to the following experiment. How does the amount of water effect the growth of a plant? You give three different plants 1 cup of water, 2 cups of water, and no water
no water
What are the units used to measure length, volume, and mass.
meter, liter, grams
The application of scientific discoveries to meet human needs and goals through the development of products and processes
What is technology?
What are the steps of the scientific method?
question, research, hypothesis, experiment, analyze data, conclusion
What were the 3 incubation conditions used for the petri dishes at the end of the lab?
dark location, room temperature, 3 days
DAILY DOUBLE: How does parachute size effect the rate of a falling object? Name the independent variable and dependent variable
Size of the parachute and the rate of a falling object
Which of the following measurements are being precise, and how do you know?
35.2 cm, 48 mL, 963 kg, 7.14 g
35.2 cm and 7.14 g
Measuring to a more precise value, tenth and hundreth place