Vocabulary
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Vocabulary
Vocabulary
Safety
Experimental Design
Mixed Bag
100
factor that the scientist manipulates in an experiment
independent variable
100
judgement based on the results of an experiment
conclusion
100
What footwear is best worn in the lab?
Closed toe shoes
100
number of independent variables in a good science experiment
one
100
Your height, your shoe size, and the length of your fingernails are examples of _?_ observations.
quantitative
200
factor that responds to manipulated variable or what you measure
dependent variable
200
factor(s) held unchanged in an experiment
constant variables
200
You have been injured in the laboratory ( cut, burn, etc…). What is the first thing you should do?
Tell the teacher
200
variable that is recorded as data or what you measure
dependent variable
200
The measure of the amount of matter in an object
MASS
300
a series of steps followed to solve problems
scientific method
300
observations and measurements recorded during an experiment
data
300
Horseplay or practical jokes are allowed in the laboratory when?
Never
300
An investigation was done to see if keeping the lights on for different amounts of time each day affected the number of eggs chickens laid. What is the independent variable?
keeping the lights on for different amounts of time each day
300
What term is Mass divided by Volume?
?=M/V
Density
400
using one or more of your senses to gather information directly or indirectly through the use of technology or instruments
observation
400
What part of the experiment is not changed and used to compare?
Control
400
Where should book bags and personal belonging be kept during a lab?
At your desk and out of the way.
400
If I use oak in my wood-stove, then it will burn longer than other woods like ash or spruce. What is a controlled variable about the different types of wood you are burning?
size of the logs and the mass of the logs
400
What is the term that refers to how much space an object takes up?
Volume
500
using new information and what you already know to reason as to what is happening
inference
500
an explanation or answer to a question that can be tested
hypothesis
500
Overall, who is the most responsible for laboratory safety?
You are!
500
The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead. What is the independent variable?
gasoline containing different amounts of lead
500
What is the volume of the rock?
260-200=60ml
600
Type of observations that are made with instruments such as rulers, balances, graduated cylinders, beakers, and thermometers. These results are measurable.
quantitative observations
600
Type of observations that deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. They do not involve measurements or numbers.
qualitative observation
600
What should you use if you get something in your eye?
Eyewash Station.
600
A scientist who wants to study the affects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, plant B gets 5 mg of fertilizer each day, and plant C gets 10 mg of fertilizer each day. Which plant is the control group.
plant A
600
What is the length to letter C?
2.3 cm