Ecology Part one

Work = Force x Distance

• True

• False

what is the unit of measurement for work

• Kilogram

• Grams

• joules J

• Newtons

What is the unit of measurement for force

• Joules

• Kilograms

• Newtons N

How much work does a window cleaner have to do to climb a height of 6M if she has a mass of 75Kg.

Remember to convert kg to Newtons first

• 657J

• 4000J

• 300J

• 4500J

Tags

NGSS.MS-PS3-5

What is the definition of energy

• Force by distance

• The ability to do work

• The ability to jump all around the place

Tags

NGSS.MS-PS3-5

Solids liquids and gases all expand when heated and contract again when cooled

• True

• False

Tags

NGSS.MS-PS1-4

Its easy to destroy and create energy

• True this is done all the time

• False It is impossible to create or destroy energy (The Principle of Conservation of Energy)

Tags

NGSS.HS-PS3-2

Watt is the unit of power

• Joule

• Kilogram

• Newton

• Watt

What is the primary source of energy on Earth

• The moon

• The sun

• Food

• Aniamls

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

Food is an example of what sort of energy

• Sound energy

• Heat energy

• Light energy

• Chemical energy

Tags

NGSS.MS-LS1-7