Week 1 Quiz

What is the first thing you should do upon entering into the lab?

• Pick a lab partner

• Start conducting experiments immediately
• Organize lab equipment on your station

• Put on appropriate personal protective equipment (PPE)

When is it okay to eat or drink in the lab?

• Never
• When the teacher is not around

• Only when edible food is being used in the lab

• While you are waiting for class to begin

What should you do if there is broken glass at your lab station?

• Use bare hands to pick up glass pieces
• Blow the glass pieces away with your breath
• Leave the broken glass as it is and inform the teacher immediately

• Wear gloves, pick up larger pieces, sweep up smaller pieces, dispose in sharps container

If the teacher says that it is okay to smell a substance in the lab, what is the correct way to smell it?

• Stick your nose directly into the substance
• Sniff it directly from the container
• Blow on it to disperse the scent
• Gently waft the scent towards your nose using your hand.

What is an inference?

• A logical guess or prediction based on observations

• A predetermined outcome without reasoning
• A random selection based on intuition
• A wild guess without any evidence

Tags

NGSS.MS-LS2-1

What is inductive reasoning?

• A form of logical reasoning that looks for patterns or rules in the natural world

• A type of scientific proof

• A form of logical reasoning that compares new things to the rules of the natural world

• An extensive research based method of reasoning

Tags

NGSS.MS-LS4-2

What is the control variable of an experiment?

• The outcome of the experiment
• Variable kept constant throughout the experiment
• Data collected during the experiment
• Variable that changes in response to the independent variable

Which axis is the independent variable on a graph?

• y-axis
• z-axis
• x-axis

What is the difference between quantitative and qualitative data?

• Quantitative data is subjective, while qualitative data is objective.
• Quantitative data is categorical, while qualitative data is continuous.
• Quantitative data is descriptive, while qualitative data is numerical.
• Quantitative data is numerical, while qualitative data is descriptive.

When conducting an experiment, how can scientists become more confident in their results?

• By conducting the experiment in a different location
• By using new equipment for the experiment

• By ignoring any unexpected results
• By repeating the experiment

Tags

NGSS.MS-PS2-5