Chapter 3 - Buoyancy, Density, Mass And Volume

Question 1

Weight measures

Answer 1

How strongly gravity pulls down on you

Question 2

Volume measures

Answer 2

How much space an object takes up

Question 3

Displacement

Answer 3

Measuring the change I water level when an object is dropped in

Question 4

Density formula

Answer 4

Mass/volume

Question 5

Density is a _______ property

Answer 5

Characteristic

Question 6

Characteristic property

Answer 6

A property that makes a particular substance distant from others

Question 7

Waters density _____ as the tempature decreases

Answer 7

Decreases

Question 8

Buoyancy

Answer 8

Upward force a fluid exerts on an object

Question 9

Buoyancy is strong enough when…

Answer 9

Density is low enough

Question 10

Archimedes principle states…

Answer 10

An object will displace a quantity of fluid equal in weight to the object

Question 11

Plimsol line

Answer 11

Helps us understand where a ship is lying in water

Question 12

Positive buoyancy

Answer 12

Float

Question 13

Neutral buoyancy

Answer 13

Suspend

Question 14

Negative buoyancy

Answer 14

Sink

Question 15

Water hyacinth

Answer 15

Air chambers in the stem for floating

Question 16

Examples of bad in oil spills on water

Answer 16

Contaminats wild life food, difficult for animals to breathe, affects feathers