Physics, Mc Graw hill chapter 1.1 1.2 1.3 1.4 chapter 2 , 2.1

1.1 , what is physics

• a Brach of science that deals with animals

• is a branch of science that deals with the study of energy , matter and how they are related

• a branch of science that deals with the study of chemical substances

• non of the above

is a representation of an idea , event structure etc. that helps people better understand it

convert 43 km/h to m/s

is an explanation for things or events based on knowledge gained from many experiments

• Scientific law

• scientific model

• scientific theory

• non of the above

The base unit for length

The base unit for Luminous intensity

The scientific notation for Kilo

is a comparison between an unknown quantity and a standard

• precision

• scientific comparison

• margin of uncertainty

• measurement

• non of the above

The picture above represents

• accuracy and precision

• Neither accurate or precise

• precise ONLY

• accurate ONLY

This picture represents

• Precise ONLY

• neither precise or accurate

• Accurate ONLY

• non of the above