Scientific Measurement and Variables

What is the formula for Density?

• D = M/V

• D = V/M

• D = M*V

• D = V+M

Which unit is appropriate for measuring the mass of an object?

• mL

• g

• cc

• cm

Which instrument would you use to measure the volume of a pre-measured liquid?

• Ruler

• Graduated cylinder

• Balance

• Thermometer

What is the correct unit for the density of a solid object?

• g/cc

• kg

• cm

• L

Name one method to measure the volume of an irregular shaped object.

• Using a ruler

• Water displacement method

• Using a thermometer

• Using a balance

When given a scenario, what are two types of variables you should be able to identify?

• Independent and dependent variables

• Constant and random variables

• Discrete and continuous variables

• Controlled and uncontrolled variables

A hypothesis in a scientific investigation should be:

• A random guess without any basis

• A testable statement that predicts the outcome of an experiment

• A summary of the results

• A list of materials used in the experiment

You should be able to do which of the following with a data table in a scientific investigation?

• Draw conclusions from the data

• Ignore the data

• Change the data to fit your hypothesis

• Delete all the data

What must be included on the X and Y axes of a graph?

• Correct label and units

• Graph title only

• Random numbers

• Any color of your choice

What tool should be used to draw the line in a line graph?

• Ruler

• Eraser

• Paintbrush

• Compass