science Flashcards
what is a independent variable?
the variable you change
what is the dependant variable?
the one you measure
how do you start a hypothesis?
if….then….
how do you start the aim?
to investigate….
what is the study of chemistry
the study of substances and how they change
What is secondary data?
data someone else collected
What is a hypothesis?
Your prediction
What is the parallax error?
When you don’t read at eye level
What is a conclusion?
Is your hypothesis correct or incorrect. Repeat hypothesis
What can you talk about in your discussion?
Reliable, accurate, valid, trend
Explain reliable
Did you repeat trials, small range?
Explain accurate
Remove anomalies, calculate averages, few errors
Explain trend
As the (independent variable) increases…
The shape of the graph shows what is happening to the dependant variable
Explain valid
One independent variable, us right equipment when measuring results, fair test
What does quantitative mean?
numbers, can be measured
What type of graph is used for qualitative data?
bar graph
What are the hazards of compressed gas?
Explosive, high amount of energy, damage objects/buildings
What are corrosives hazard?
Cause burns to skin, damage eyes, do not breath in fumes
What is ecology
The study of the community of living things in a environment, and their interactions
What is human reflex error
Delayed response
On a table the column that comes first is what variable?
Independent variable
What is the instrument error?
Faulty equipment
