S1 C1.3 Physical Quantities and their units

What is the S.I. unit for length?

• meter

• kilogram

• second

• kelvin

What is a physical quantity?

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

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Example of base quantities

• Electric current

• Volume

• Area

• Weight

What is definition of base quantities

• physical quantity derived from base quantities through multiplication or division or both

• physical quantity that cannot be defined in terms of other physical quantities

• physical quantity derived from base quantities through addition or subtraction or both

Choose TWO(2) examples of base quantity

• Mass and density

• Length and area

• Length and mass

• Mass and velocity

The usage of S.I is to AVOID

• confusion and misunderstanding

• accuracy

• communication

• problems of inconsistent units in measurement

What is the S.I. unit for mass?

• ampere

• kilogram

• second

• kelvin

What is the S.I. unit for time?

• ampere

• kilogram

• second

• kelvin

What is the S.I. unit for electric current?

• ampere

• kilogram

• second

• kelvin

What is the S.I. unit for temperature?

• ampere

• kilogram

• second

• kelvin