Exam 1: Temperature and Heat

Which of the following quantities expressed in derived units includes the unit of length?

An object's weight would be different on Earth and on the Moon. Which of the following would also be different?

For the multiplication of 8.936 m divided by 1.90 m, the result should be reported with how many significant figures?

Our senses may obtain less-than-accurate information concerning our physical world because they

In what year did the United States officially adopt the metric system?

For the multiplication of 3.799 m divided by 4.9 m, the result should be reported with how many significant figures?

A method of expressing the accuracy of measured quantities is

Time is sometimes thought of as a fourth dimension of ______________.

A set value for a fundamental quantity is called a(n) ______________ unit.

The International System of Units (SI) has ______________ base units.

In buying a product, a shopper has a choice of the following amounts, all at the same price. Which is the best buy?

If the decimal point is shifted to the right in a number expressed in powers-of-10 notation, the exponent, or power of 10, is ______________.

A successfully tested hypothesis may take on the status of a(n)

Calculate the product of 3.0 $\times$ 10⁷ and 1.6 $\times$ 10⁹. Express the answer in standard powers-of-10 notation.

A cubic container 40 cm on a side is filled with water. What is the mass of the water?

The standard unit of mass in the SI is the ______________.

Which has a larger volume, a liter of water or a liter of mercury (a liquid metal)?

The standard unit of length, the meter, is now defined with reference to

A hypothesis is a very tentative explanation of some ______________ of nature.

A scientific law is a concise statement that describes a(n) ______________ of nature.