Laboratory Rules
What is used to protect your eyes from chemicals, broken glass, and fire?
safety goggles
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 is one advantage of modern medicine?
It can cure or prevent diseases
If you spill or break something during an experiment, what is the FIRST thing you should do?
tell the teacher
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.
What is a disadvantage of using cars too much in cities?
It causes traffic jams and air pollution
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
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
How do pest-resistant crops benefit farmers?
They reduce crop loss and increase food production
What apparatus can be used to supports other apparatus during experiments
retort stand, tripod stand, clamp, etc..
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
What is a harmful effect of Styrofoam on the environment?
It does not decompose and pollutes the Earth
What piece of equipment is used to transfer substances into a container with small openings?
funnel
Why is creativity important when formulating a hypothesis for a chosen problem?
It allows you to generate new and original ideas.
type of liquid
What is one health concern about using Styrofoam containers for hot food?
It may release harmful chemicals when heated