Regular Physical Science Methods Study Guide Cards Flashcards
What are some safety rules and procedures?
View cards and questions followed..
What is the rule concerning eating or drinking in the laboratory?
Never
What would you do in the case of a small contained fire?
Cover and keep covered
What would you do in a case of a large or uncontained fire? (List all ways)
- Use the fire extinguisher
- Pull the fire alarm
- Exit the building
What are the two ways you would observe the contents of a test tube.
- Waft the odors
- Look through the sides
What you would do if you spilled a chemical on your skin?
Rinse for 15min
What do you need to do if there is an accident in the laboratory?
Tell the teacher
Where are the two closet fire extinguishers?
- By the fire blanket
- By the bathrooms
Where are the two closet fire alarms?
- At the top of the stairs
- By the Spanish Room
What is the proper way to unplug an electrical cord from the wall?
Pull of the plug
What would you do if you found broken glassware or dropped some glassware?
Sweep up and put in the broken glassware box.
What are three precautions you need to take during the laboratory concerning your personal dress?
- Tie back long hair
- Wear close toes shoes
- No long loose sleeves
What is SI
International system of units
Review…
Base units: The words not in parenthesis
Meter(cm)
Liter(L)
Gram(g)
Celcius(C)
What are the base units?
Meter, Liter, Gram and Degrees Celsius.
What is based off the number 10?
The SI prefix
What measures in grams?
Mass
What tool do you use to measure in grams?
Triple Beam Balance or just Balance
What does a meter measure?
Length
What tool do you use to measure a meter?
Ruler
What do you measure with liters?
Volume
What tool do you use to measure liters?
Graduated Cylinder
What measures in Celsius?
Temperature
A ________ is used to measure temperature in degrees Celsius.
Thermometer
What is boiling temperature in Celsius?
100°C
What is room temperature in Celsius?
22°C
When does water freeze in Celsius?
0°C
What is body temperature in Celsius?
37°C
Number for kilo-
1000 or 10^3
Number for milli-
0.001 or 10^-3
Number for centi-
0.01 or 10^-2
Number for giga-
1,000,000,000 or 10^9
Number for mega-
1,000,000 or 10^6
Number for tera-
1,000,000,000,000 or 10^12
What is the name of the triangular flask?
Erlenmeyer Flask
A _________ makes smaller things appear larger.
Magnifying Glass
A __________holds multiple test tubes.
Test Tube Rack
A __________ is used to measure the masses of objects.
Triple-Beam-Balance
Used to protect your eyes
Goggles
Used to pick up small items
Forceps
_____________(s) are used when picking up hot items.
Tongs
A __________ HOLDS test tubes
Test Tube Holder
A ____________ points you in the right direction
Compass
A certain type of scale used sometimes at grocery stores.
Spring Scale
A _______ makes pouring something a whole lot easier.
Funnel
Used to heat up items
Hot Plate
Used to measure temperature.
Thermometer
A _____________ is used to measure volume.
Graduated Cylinder
Holds a ring clamp and utility clamp
Ring Stand
Put onto a ring stand and has a word that is similar in it
Ring Clamp
Put onto a ring stand but has no similar words
Utility Clamp
A _________________ has pipes on it and is a common everyday shape.
Pipe Stem Trinagle
Can take small amounts of liquids at a time.
Pipet
Used to measure in general
Beaker
You can look through this while experimenting.
A Watch Glass
Used to EVAPORATE things
Evaporating Dish
Holds smaller amounts of liquids and is similar to a beaker just thinner.
Test Tube
A __________ SCOOPS things such as flour when you only need a certain amount.
Scooper
Put on a scale when measuring things like flour.
Weighing Boat
_______________ can stop things and can be put in the top of things to prevent spills and or heat getting out.
Rubber Stoppers
What is an observation?
Uses your five senses and requires measurements
Quantitative is ____________
How much of something
Qualitative is ______________
An opinion on something
What is an inference?
Possible explanation
What is the Control Variable?
The Variable that is constant and is kept the same on purpose
The ____________ Variable is the manipulated variable and is changed on purpose.
Independent
The _____________ Variable is the responding variable and changes by itself.
Dependent
What is the definition of control?
Standard for Comparison
_______________ is data that is reliable and can be trusted and is efficient and can be used for decision making.
Data reliability
Know how to graph correctly
……
What is a scientific experiment and what is the critical design of it?
a fair test in which only one variable is tested at a time
Scientific Law is……
A description based off of observations
Scientific Theory is……..
An explanation
Technology is……..
The application of science to help people
_______ is prejudice or influence
Bias
_______________ is “false” science
pseudoscience
Density defintion:
The compactness of a substance or Density = Mass
————-
Volume
