The Scientific Method
What are the two types of variables stated in a hypothesis?
What is Independent and Dependent.
This state of matter has no definite shape or volume.
What is gas.
Chemical properties can only be observed as the object is _________.
The metric unit used to measure the length of the room and its sybmol.
What is a meter, and 'm'.
In scientific nomination, our coefficient must always be between _____ and ______
This type of observation is measureable.
What is Quantitative Measurement.
Anything that has mass (weight) and takes up space.
What is matter.
What kind of change is milk turning sour?
What is a chemical change.
The metric unit we use to measure volume and its symbol.
What is a liter, and 'L'.
Convert to standard notation: 4.7 X 10^4
47,000
Blue, rough, metal are all examples of what type of observation?
What is Qualitative Measurement.
What would Oxygen be classified as?
What is Element.
True or False. Wood burning is a physical change.
What is False. It is a chemical change.
0.03 km = ? cm
3000 cm
Convert to scientific notation: 0.034
3.4 X 10^-2
What is precise
What kind of mixture would fruit loops be?
What is heterogeneous.
When a liquid turns to gas we call this evaporating. What type of change is this?
What is physical.
When moving from right to left for conversions, the number will get ____________ and we move our decimal place to the __________.
Convert to standard form:
2.536 X 10^4
25,360
All five steps of the scientific method.
What is State the Problem, Hypothesis, Experiment, Data Analysis, Conclusion.
Element compound or mixture...........Carbon Dioxide (CO2)
What is compound.
Is Alka-Seltzer and water an example of a physical change?
What is No. When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.
9,000 g = ? kg
What is 9 kg?