Lab Safety
The most important thing to do to practice lab safety is
Follow teacher directions / instructions
An educated guess is know as a _____________________.
Hypothesis
________________ the process of duplication or reproducing something to get the same results over and over.
Replication
A scientist gave a group of students of different ages a puzzle to put together.
The scientist wanted to see if the student's ages affected how long it took to put the puzzle together.
What is the Independent Variable?
Which of the following is NOT one of the five senses?
Sight
Hearing
Talking
Touching
Talking
Proper behavior is expected in the lab because practical jokes and fooling around can _________.
Can lead to injury
An observation that is based on measurements (or numerical) is a __________ observation.
Quantitative
Repetition is the act of ______________ something multiple times.
Repeating
A scientist gave a group of students of different ages a puzzle to put together.
The scientist wanted to see if the student's ages affected how long it took to put the puzzle together.
What is the Dependent Variable?
When you use your 5 senses to gather information, you are making an _______________.
Observation
If your clothing should catch fire, you should do what?
Stop, drop & roll and/or smother it with a fire blanket
The process that scientists follow to find the answer to a question is called a(n) _________________________
Science is ___________ changing.
Always
A scientist gave a group of students of different ages a puzzle to put together.
The scientist wanted to see if the student's ages affected how long it took to put the puzzle together.
What is the control (constant) variable?
The puzzle
What does the word science mean?
Knowledge
What should be done if you break or spill something during a lab?
Notify your teacher immediately
In the scientific method, in which step is data collected?
Why do we need to use models (graphs, table, etc.) in science?
Why are variables important in an experiment
They help us make sense of how things relate to each other in an experiment.
TRUE OR FALSE:
Scientific theories DO become laws with more evidence.
False
Why do we need to wear lab safety equipment in science class?
To prevent injury or damage to ourselves or our clothes
Before identifying a problem, what must be done?
Ask a question
TRUE OR FALSE:
Theories can change as more evidence is collected & new technology becomes available.
TRUE
Name the 3 types of variables used in an experiment
Independent, Dependent & Controlled
Science is ___________ changing.
Always