Physics Quiz

Physics is best defined as:

• The study of plants and their processes

• The study of energy, matter, and their interactions

• The study of the Earth's physical features

• The study of celestial navigation

The branch of physics that studies sound and hearing is:

• Mechanics

• Acoustics

• Optics

• Thermodynamics

Which of the following is a derived quantity?

• Mass

• Length

• Speed

• Time

Which is the SI base unit for temperature?

• Degree Celsius

• Kelvin

• Fahrenheit

• Joule

A train travels for 3.5 hours. How many seconds did the train travel?

• 5000

• 10000

• 12600

• 25 000

What is the SI unit of amount of substance?

• ampere

• second

• mole

• candela

A runner measures his race in miles, meters, and inches. To be consistent, what is the SI unit he should use?

• Kilometer

• Meter

• Centimeter

• Mile

An athlete's backpack has a mass of 5 kilograms. What is its mass in grams?

• 0.5 g

• 50 g

• 500 g

• 5000 g

Express 1.5 × 10 ^-8 m in standard decimal form.

• 0.000 000 15 m

• 0.000 000 015

• 0.000 000 001 5

• 0.000 000 000 15

During a series of experiments, Daniel consistently measures the temperature of a boiling liquid using a thermometer. However, he notices that all his readings are clustered around 90°C, while the true boiling point is 100°C. How is this data characterized?

• High accuracy, high precision

• Low accuracy, high precision

• High accuracy, low precision

• Low accuracy, low precision