Vocab
What is a procedure
Detailed step-by-step instructions used to conduct an experiment
What is problem
A question to be considered, solved, or answered
What is a hypothesis
A statement that predicts the outcome of an experiment
What are materials?
A list of supplies and equipment used during an experiment
One leaf is 9 cm long
Quantitative
What is a conclusion?
The summary and meaning of the results of the experiment
What is a variable?
Factors that can change or "vary"
Will the kind of candy affect a students mood?
The independent variable is ...
What is "the kind of candy"
What is an experiment?
A test that is performed to prove or disprove a hypothesis
The flower is tall
Qualitative
Does the amount of sleep affect how well students do on a test?
The dependent variable is ...
What is "how well students do on a test"
What is the dependent variable?
The response that can be observed or measured in an experiment
Will the type of breakfast affect how much energy a student has?
The independent variable is ...
What is "type of breakfast"
What is an independent variable?
The part that is manipulated or changed in an experiment
The temperature increases by 8 degrees Celsius
Quantitative
What is research
Collecting information or studying about a particular subject
What is data?
Pieces of factual information gathered by scientists for analysis
What are results?
What happened; the outcome of something
Does the size of the moon affect the tides of the ocean.
The dependent variable is ...
What is "tides of the ocean"
What is a Quantitative Observation?
Observation using numerical data, tests, or measurements.
What is an observation?
An act of gathering information using one or more senses
Maria is conducting an experiment to see if adding salt to water affects the boiling time. She adds 1 tablespoon of salt to a pot of water and boils it. She then boils a second pot of water without any salt. She records how long it takes each pot to start boiling. IV? DV? C?
Independent Variable = Presence of salt (salt water vs. plain water)
Dependent Variable = Boiling time
Control = Pot of water without salt
James wants to test whether watering his plants with sugar water will help them grow faster. He waters one plant with sugar water and another with plain water. After three weeks, he measures the height of both plants. IV? DV? C?
Independent Variable = Type of water
Dependent Variable = Plant height
Control = Plant watered with plain water
What is the scientific method
A method of investigation used to identify, explore, and solve problems
What is a qualitative observation?
Observation using your 5 senses