Lab Equipment
I need exactly 132ml, what tool is best to measure that amount?
Graduated Cylinder
When is a hypothesis written?
Before an expeirment
A _____________ is a possible answer to a scientific question that can be tested through experiments and observations.
Hypothesis
On a bar graph of favorite candy, the twizzler bar is the tallest. What can you infer?
Twizzler is the most popular candy
What is the constant?
I want to see if my new shampoo works well, so I use it for a week, then I use my old shampoo for a week. I use the same conditioner both weeks.
The conditioner
Which piece of equipment protects your eyes during lab work?
Goggles
Data that describes qualities, like color or texture, is called:
Qualitative
_____________ describes data measured with numbers, such as length or temperture.
Quantitative
A pie chart shows that 70% of students do not like milk. What can you infer about the other 30%?
They do like milk
I want to see how long my grape vine will grow in new fertilizer. What tool do I use to measure my dependent variable?
Ruler
A student wants to heat a small amount of liquid while observing a reaction. What tool should they use?
Test tubes
What is the variable you purposely change in an experiment?
Independent variable
I want to measure how far the dog park is from my house, what is the best unit to use?
Kilometers
The cost gets lower, then stops changing and remains the same
What is the independent variable in this hypothesis?
If I study for my test, then my grades will be better
Studying for your test
What are the TWO reasons you wear lab goggles?
To protect your eyes from chemcial spalshes and glass
Which variable is measured or observed in an experiment?
Dependent variable
A _____________ is a summary of what you learned from an experiment or investigation.
Conclusion
What two graphs do NOT require the data to be over time?
Bar graph and pie graph
What is the dependent variable in this hypothesis?
If I wear a coat, then I will be warmer
The fact that you will be warm
Which tool is used to measure mass and what unit does it measure in?
Triple beam balance, grams
Tell me the control and constant:
I want to see what new toy is my dogs favorite, I give him a new toy everday at 3pm, then I compare it against his reaction to his old toy.
The control is the old toy
The constant is 3pm
The _____________ is a wide-mouthed container used to transport, heat, or store substances. The narrow mouthed counter part is called the _____________
Beaker, Erlenmeyer flask
On a line graph, what does it mean when the line is going up, down, and goes straight?
Up = Increase
Down = Decrease
Straight = no change
If I want to measure how much orange juice my cup holds, what unit do I use?
Liters