Y13-G7-measurements and units

What is a physical quantity?

• Something that can be measured
• Something that has height
• Something that cannot be measured 
• Something that doesn't exist

What is measument?

• To compare one physical quantity with a standard

• To solve a problem

• To calculate numbers

Physical Quantities consist of a _______ and its _______.

• numerical magntitude, SI Unit

• quantity, physical state

• SI unit, physical state

• physical state, physical characteristics

The International System of (SI) unit for mass is:

• g
• kg
• G
• KG

The International System of (SI) unit for length/ distance is:

• m
• M
• km
• cm

The International System of (SI) unit for time is:

• s
• hr
• min
• ms

The International System of (SI) unit for temperature is: 

• ℃
• K
• k
• c

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is not an advantage of using SI units .....

• SI unit is based on the arbitrary construct of the human body.

• SI unit is precise and definite standard.

• SI units are interrelated in such way that one unit is derived from other units without conversion factors.

• SI unit is used universally.

Which one of these options is NOT a derived quantity?

• Area

• Volume

• Density

• Temperature

What is the SI unit of speed?

• m/s

• cm/s

• km/hour

• kg/m

Tags

NGSS.MS-PS3-1