CP Physics Unit 1 Review

Which one of the following problems would be a part of physics?

• Calculating the age of rock in the Anne Close Springs Greenway
• Measuring the speed of a Boeing 787 airplane
• Calculating the size of the Covid-19 Virus
• Identifying all the chemical compounds acting on a person who is walking uphill

A hypothesis is?

• the long side of a right triangle.
• an educated guess that has yet to be proven by experiment.
• close agreement by competent observers of observations of the same phenomena.
• a guess that has been tested over and over again and always found to be true.

Which of the following is a reason to express scientific findings mathematically?

• The findings become more difficult to prove by experiment.
• The findings become easier to verify by experiment.
• The findings become more confusing.
• The findings become less appealing to the public.

In what part of the scientific method do you take measurements?

• observation
• hypothesis
• experiment
• conclusion

The symbol mm represents a?

• micrometer
• millimeter
• megameter
• manometer

The SI base unit used to measure mass is the

• meter.
• second.
• kilogram.
• liter.

Which of the following numbers is the smallest?

• 
• 
• 
• 

A reasonable estimate for the height of an ordinary adult male is

• 50 cm.
• 70 cm.
• 170 cm.
• 300 cm.

The metric system is preferred over the British system in science for the following main reason.

• The metric system is more precise than the British system.
• Metric quantities can be defined more accurately than the quantities in the British system.
• Metric quantities are natural whereas British quantities are invented.
• Conversions between metric quantities are especially easy because they are all related by factors of ten.

Which one of the following numbers is equivalent to the number 0.0001776?

• 
• 
• 
•