Hurst 101
Better Safe than Sorry
Method to the Madness
Measure Twice, Convert Once
Power of the Decimal
100
The lowest grade you will receive on in-class activities and homework as long as you try and show your work.
What is 80%?
100
Why must safety goggles be worn during experiments?
To protect eyes from chemicals and other hazardous materials.
100
What is the first step of the scientific method?
Making an observation and identifying a question
100
What are the two components of a measurement?
A number and a unit
100
Convert 0.000248 to scientific notation.
2.48 x 10-4
200
The type of notebooks required for this course
What are composition - no spiral notebooks or binders?
200
What should you do if you break glassware in the lab?
Notify the teacher immediately. Do not attempt to clean it.
200
Hypothesis are written in the _________ format.
If, then, because
200
What is the metric prefix with the factor of 0.001?
Milli (m)
200
Convert 4.2 × 10³ to standard notation
4200
300
The maximum grade you can receive on an assignment that you submitted after the Perform date.
What is 50%?
300
What is the proper way to smell a chemical?
Waft the fumes toward your nose using your hand.
300
What must happen for scientific conclusions to be considered valid?
The experiment must be repeated multiple times with consistent results.
300
Convert 5 kilometers to meters using dimensional analysis. Only show how you setup the calculation. Do not perform the calculation.
5km xx (1000m)/(1km)
300
How many significant figures are in 0.00450?
3
400
List three classroom expectations for student behavior.
Any three of the following
- Arrive on time and be prepared.
- Contribute to class and team assignments.
- Submit work on time.
- No personal devices during class.
- Be respectful to peers, teacher, and materials.
400
I should never eat, drink, or _________ in the lab.
Chew gum
400
A student investigates whether the temperature of water affects how fast sugar dissolves. They use three cups of water at different temperatures (cold, room temp, and hot) and measure how long it takes the sugar to dissolve completely. Identify the independent variable.
Water temperature
400
What is the length of the red rectangle?
Any number from 2.30 cm to 2.35 cm. Must include two "known" digits and one "estimated" digit.
400
Solve and round using significant figures: 8.65 × 2.053
17.8
500
This is what I do if I am absent from class.
What is "Check the daily agenda for missed work and the organizer for handouts"?
500
If I accidently spill liquid, I should ________.
tell the teacher AND clean it up.
500
A scientist tests how different amounts of sunlight affect plant growth. The plants received either 2 or 8 hours of sunlight each day, and their height was measured after 3 weeks. Identify the dependent variable.
plant height after 3 weeks
500
A bottle holds 2.5 liters of water. Convert from liters to cups. (1L = 1000mL; 1cup = 240mL)
2.5 L xx (1000mL)/(1L) xx (1cu p)/(240mL) = 10.4 cu ps
500
Solve using significant figures: 4.321 + 1.26
5.58