Density
Properties of Substances
Scientific Investigations
Scientific Methods
100

What is the formula to calculate density?

What is mass divided by volume?

100

What property measures how well a substance can conduct electricity?

What is electrical conductivity?

100

What is the first step in a scientific investigation?

What is defining a problem or question?

100

What is one common method used in biology?

What is controlled experiments?

200

If a block of wood has a mass of 200 grams and a volume of 100 cm³, what is its density?

What is 2 g/cm³?

200

What is the melting point of ice?

What is 0°C or 32°F?

200

What are variables in an experiment?

What are factors that can change or be measured?

200

How might a geologist investigate the layers of the Earth?

What is by use of rock samples and field studies?

300

How does the density of an object affect whether it will float or sink in water? (if the liquid is 1 g/cm3)

Objects with a density less than 1 g/cm³ will float, while those with a density greater than 1 g/cm³ will sink.

300

How do you classify a substance that dissolves in water?

What is soluble?

300

How should data be organized during an experiment?

What is in charts, tables, or graphs?

300

What is a fundamental principle of physics investigations?

What is observation and measurement?

400

Give an example of a material that is denser than water and explain how you know.

What is iron? It sinks in water because its density is greater than that of water.

400

How can you demonstrate the magnetic property of a material?

What is using a magnet to see if it attracts the material?

400

Why is it important to make predictions in scientific investigations?

What is to hypothesize outcomes based on prior knowledge?

400

Name a method used in chemistry to explain reactions.

What is conducting experiments with reactants?

500

Describe how you would measure the density of an irregularly shaped object.

Measure the mass using a scale and the volume using water displacement in a graduated cylinder.

500

Explain why the boiling point is a characteristic property of substances.

It remains constant regardless of the amount of substance present.

500

Describe how you would defend your conclusions after an experiment.

What is by using data collected to support my results?

500

Explain how different fields of science might approach the same problem.

What is by using different methods and perspectives based on their focus area?