Laboratory Rules
What is used to protect your eyes from chemicals, broken glass, and fire?
safety goggles
When the air hole is closed, what color is the flame?
Blue, Yellow, Orange
This scientific attitude is exhibited when someone shows interest and pays specific attention to an object or event, ask questions and seek answers.
Should experiments be repeated over and over to see if the results are the same each time?
What are two problems caused by having a smart phone?
You can waste a lot of time and hard to go to sleep if you use it at night.
If you spill or break something during an experiment, what is the FIRST thing you should do?
tell the teacher
During an experiment, a bunsen burner is placed on...
heat proof mat / base
Thomas Alva Edison failed a thousand times while inventing the incandescent light bulb. Despite this, he didn't lose heart and continued his quest. What scientific attitude is exhibited by Thomas Alva Edison?
perseverance
A hypothesis is an educated guess/prediction.
The branch of science that deals with the study of matter and energy and the interaction between them.
Physics
Ali would like to heat a test-tube containing chemical X over a Bunsen burner. How should Ali carry out the heating?
Holding the test tube using a test tube holder
When you first light a bunsen burner, the flame should be yellow/orange and this called safety flame. why?
because its less hot and more visible even from far distance.
In a project, a groupmate suggested a good idea. The leader got mad of his suggestion because he doesn't like it and only wants his idea to be recognized - not with others. What scientific attitude was not exhibited in the situation?
Open-mindedness
In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the ____________ variable
Independent
What is science?
study of the natural and physical world
What apparatus can be used to supports other apparatus during experiments
retort stand, tripod stand, clamp, etc..
Mention all the different parts of a bunsen burner!
Barrel, collar, air hole, rubber hose/tube, gas tap, base.
A person who is intellectually honest (having integrity) would...
any acceptable answer
What step of scientific method is this? "Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted."
Hypothesis
A series of steps used by scientists to solve a problem or answer a question is called ...
scientific method
What piece of equipment is used to transfer substances into a container with small openings?
funnel
How should the bunsen burner be turned off?
Close the air hole first, then turn off the gas
Why is creativity important when formulating a hypothesis for a chosen problem?
It allows you to generate new and original ideas.
type of liquid
prevent death, stop natural disaster, predict the future, etc.