What is the abbreviation for the International System of Units?

SI

What is the abbreviation for:

meter

meter (m)

What is the abbreviation for:

centimeter

centimeter (cm)

What is the abbreviation for:

millimeter

millimeter (mm)

What is the abbreviation for:

kilometer

kilometer (km)

What is the basic unit for measuring mass?

kilogram (kg)

Scientists regularly _________________ length, ____________, volume, density, temperature, and time.

a. measure

b. mass

The formula for measuring volume is _____________ times _____________ times ____________.

volume = L x W x H

________________ is the measure of the amount of matter in an object.

Mass

Measurement describes the world using ________________.

numbers

Weight is a measure of the force of _______________ acting on an object.

gravity

Volume is the amount of ______________ that an object of substance takes up.

space

The ______________ system is a measurement system based on the number 10.

metric

The metric system is a measurement system based on the number ________.

10

To measure lengths smaller than a meter you use the _________________ (cm) and __________________(mm).

a. centimeter

b. millimeter

The __________________ of an object is the object’s mass divided by it’s volume.

density

The basic unit for length in the SI system is ______________(m).

meter

Two objects of the same size can have different ________________.

masses

The volume for measuring liquids or gases is the ______________(L).

liter

You can measure your height in _______________.

meters

The standard system of measurement used by scientists is the __________________________.

International System of Units (SI)

Name the units for measuring length in order from smallest to largest.

1. millimeter (mm)

2. centimeter (cm)

3. meter (m)

4. kilometer (km)

How much does each one equal?

1 cm = ____ mm

1 centimeter (cm) = 10 millimeters (mm)

How much does each one equal?

1 m = _____ cm

1 meter (m) = 100 centimeters (cm)

How much does each one equal?

1 m = _____ mm

1 meter (m) = 1,000 millimeters (mm)

How much does each one equal?

1 km = ____ m

1 kilometer (km) = 1,000 (m)

The median is the _______________ entry.

middle

Time is a measurement of the period between __________ events.

two

_________________ refers to how close a measurement is to the true value.

Accuracy

The mode is the number that appears ____________________ in a list of numbers.

most often

In science we use the _____________ scale and _____________ scale to measure temperature.

a. Celsius scale

b. Kelvin scale

Name two devices used to measure time.

1. clocks

2. watches

_________ is not a guess.

An estimate

Precision refers to how close a _____________ of measurements are to each other.

group

The ______________ is the middle number in a set of data,

median

Estimates might be based on indirect ____________________, calculations, _____________, or samples.

a. measurements

b. models

_________________ refers to how close a group of measurements are to each other.

Precision

The _______________ (s) is the SI unit used to measure time.

second

The range is the difference between the ______________ value and the least value.

greatest

______________________ is measured using a thermometer.

Temperature

An estimate is an _____________________ of a number based on reasonable assumptions.

approximation

The mean is the numerical _______________ of a set of data.

average

You often use the word _______________ when you estimate.

about