PB Unit 1 Terms

Last updated over 2 years ago

10 questions

1

Qualitative Observation
Quantitative Observation
Inference

Assuming the scientific method refers to a stepwise process, put the steps in the appropriate order.

Make and record observations.
Design a series of steps to support or refute the hypothesis.
Process data.
Make an observation.
Reach and share the conclusion(s)
Formulate a hypothesis/Ask a question.
Organize data.

Which of the following is/are intensive properties.

Given that you perform the experiment above and observe that as the temperature of the water increases the amount of sugar that dissolves also increases. As a result, you conclude that as the temperature of a solvent increases, the amount of solute that will dissolve also increases. Your thinking would be described as

inductive reasoning

deductive reasoning

What type of relationship does the expresion PV = k (k = constant) represent?

Draw a set of axes and label the origin. Draw a solid black line to represent a direct proportion. Draw a line (dashed, dotted or another color) to represtent a linear but not direct proportion.

Which of the following is a theory?

Mass  is  conserved in chemical and  physical changes.

Matter is composed of atoms.

The liquid will boil at 80˚C.

The metal will flatten out when I pound on it.

Write out a question you expected me to ask but did not. Write out the correct answer to the question.

Drag each statement to the proper category.

A precipitate was formed.

The solid formed liquid at 25˚C.

A gas was produced.

The material in the test tube changed from clear to cloudy.

The test tube felt hot.

The cube has a mass of 67.08 g.

The solution turned from pink to yellow.

Water droplets formed on the sides of the beaker.

The substance was shiny and silver.

Qualitative Observation

Quantitative Observation

Inference

Assuming the scientific method refers to a stepwise process, put the steps in the appropriate order.

Make and record observations.

Design a series of steps to support or refute the hypothesis.

Process data.

Make an observation.

Reach and share the conclusion(s)

Formulate a hypothesis/Ask a question.

Organize data.

Which of the following is/are intensive properties.

boiling point

odor

color

temperature

specific gravity

phase at a given temperature

weight

density

mass

volume

Given that you perform the experiment above and observe that as the temperature of the water increases the amount of sugar that dissolves also increases. As a result, you conclude that as the temperature of a solvent increases, the amount of solute that will dissolve also increases. Your thinking would be described as

inductive reasoning

deductive reasoning

Which of the following is a  theory?

Mass  is  conserved in chemical and  physical changes.

Matter is composed of atoms.

The liquid will boil at 80˚C.

The metal will flatten out when I pound on it.