Science Fundamentals Quiz

What is the study of matter and energy and their interactions called?

• Chemistry

• Biology

• Physics

• Astronomy

According to the document, what is necessary for something to be called science?

• It must be observable

• It must be demonstrable mathematically

• It must be repeatable

• It must be theoretical

What does accuracy represent in measurements?

• The ability to repeat measurements

• The closeness of a measurement to the true value

• The complexity of the measuring device

• The speed of taking measurements

What does precision refer to in the context of measurements?

• The correctness of a measurement

• The degree of sophistication of the measuring device

• The speed of data collection

• The simplicity of the measuring process

When rounding the number 6.4501 to one decimal place, what is the result?

• 6.4

• 6.5

• 6.45

• 6.6

If a number is exactly halfway, such as 6.4500, to which digit should it be rounded according to Canadian conventions?

• Nearest odd digit

• Nearest even digit

• Nearest whole number

• Nearest tenth

What is the rule for recording measurements with uncertainty?

• Record only the certain digits

• Record all digits plus one uncertain digit

• Record only the estimated digit

• Record all digits without estimation

In the context of measurements, what does the uncertain digit represent?

• 1/2 of the smallest unit

• 1/10 of the smallest unit

• 1/5 of the smallest unit

• 1/100 of the smallest unit

What is the definition of significant digits?

• All known digits plus one uncertain digit

• Only the uncertain digits

• Only the known digits

• All digits in a number

How many significant figures are in the number 300.0?

• 1

• 2

• 3

• 4