Experimental Science
What is Matter?
Anything that has mass and takes up space
What is a hypothesis?
A testable prediction for what will happen in your experiment.
What is a qualitative observation?
Observations using the five senses to describe something.
Example: "The elephant toothpaste was blue"
Which is smaller, a centimeter or a millimeter?
Millimeter!
What do chemists study?
Material and how it reacts with other material
What 2 steps of the scientific method come before making a hypothesis?
An observation, and a question
What is a quantitative observation?
An observation that includes a measurement/quantity.
Example: The elephant toothpaste had 500mL of overflow.
No! Liquid
What is an experiment?
What are the five steps of the scientific method?
1. Observation
2. Question
3. Hypothesis
4. Experiment/Record Results
5. Conclusion
What are some scientific tools used for quantitative measurements?
Graduated cylinders, scales, thermometers, rulers, etc.
How does the conversion scale song go?
Kilo, Hecta, Deca, Gram, Deci, Centi, Milli
Why is it important to study chemistry?
Chemistry is important to every other area of science, it studies how things react with each other!
What are some areas that cannot be studied by science?
Morality, religion, the origin of the world, philosophy, history
What is the main problem with qualitative measurements?
They can vary between people, and they are not objective. They can be difficult to confirm and our eyes may not always be able to pick up on certain things.
What is the metric unit used to measure length or distance?
Meters, Kilometers