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43 Cards in this Set
- Front
- Back
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What is a dependent variable |
The factor that changes the independent variable |
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Which components should all graphs have |
Title, labels, axis, numbers |
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What is a conclusion |
The written result of the experiment |
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What unit are used for mass? |
Grams maybe kilograms |
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What variable is graphed on the x axis |
Independent variable |
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What is a trend line |
A line that shows correlation |
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What is the different in inference/observations? |
Inferences are opinions and observations is something that's noticeable and everyone can see |
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What is the purpose of a question |
Solve problem |
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What is the purpose of a line graph |
To see how much the graph increased or decreased to see the change of the correlation |
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What is qualitative observation? |
Observations with characteristic quality |
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What is a hypothesis |
A educated guess about the outcome |
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What would you use to measure length? |
Meter stick /ruler |
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Why is lab safety important |
Lab safety is important because you can get injuries and hurt and mostly so you can be safe |
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How should you hold a micrscope |
You should hold it with two hands hand on base and hand on bar |
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When are pranks allowed in lab |
NEVER |
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What is a graduated cylinder used to do |
Measure volumes of liquid |
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What do you do when you see a lab fire |
Tell a teacher |
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What piece of lab equipment would you use to to measure mass? |
Balance |
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What is a weight boat |
Is used to weigh or transfer chemicals (usually dry) |
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What is the symbol for electrical safety |
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What is the scientific process? |
Good quality helps in develope an excellent hypothesis |
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What is a inference |
Scientific opinion or to go beyond |
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Tube rack |
Used to hold and dry test tubes |
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Thermometer |
Used to measure how much heat energy is in an object |
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Digital Balance |
Used to determine a smaller lighter objects mass |
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Triple beam Beam |
Used to determined the mass of larger heavier object mass |
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Test tubes |
Used to hold small amounts of pre measured substance |
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Scoopulas |
Used for transferring dry chemicals |
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Weigh boat |
Used to weigh or transfer chemicals (usually dry) |
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Pipette |
Used to transfer liquid from one container to another (increments are very small. 25 ml per incresment) |
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Beaker |
Used to measure large volumes of liquid (increments are larger than a graduated cylinder usually 25-50mL per increment |
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Graduated Cylinder |
Use to measure volume of liquid |
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Normal Laboratory gloves |
Used in a laboratory anytime chemical are to be used |
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Goggle's |
Protects your eyes |
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Meter stick |
Measure length |
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Erlenmeyer Flask |
Glassware with a wide base and with sides that taper upward to a short vertical neck allows contents to be mixed by swirling |
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What does it mean to say a test must qualified |
The outcome has to measurable |
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Why do we use graphs |
To record our data helps analise our data |
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What type of graph we use to see how far a car traveled over 30minutes |
Line graph |
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What unit is used to measure fluid volume |
Mililter |
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What would you use to a bar graph to demonstrate |
To compare things and find the correlations |
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What is a inference |
Conclusion based on observations |
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Why should procedure be detailed ¿ |
To know exactly what to do |
