Energy Year 7

Which statement is true?

• The quicker a molecule moves, the colder it is.
• The slower a molecule moves, the warmer it is.
• The quicker a molecule moves, the warmer it is
• The movement on molecule don�t affect its temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the unit of energy?

• kilojoules
• Kilowatts
• Kilograms
• kilometres

Which type of energy stote is to do with food foels and batteries?

• thermal
• kinetic
• chemical
• elastic

True or false. Energy can be created and destroyed.

• True
• False

Which energy source is not renewable?

• Wind
• Solar
• Oil
• Biomass

The greenhouse gas made when fuels burn in power stations is

• Carbon dioxide
• Sulfur dioxide
• Methane
• Nitrogen oxides

What energy store is associated with a tennis ball held 1 m above the floor?

• Thermal
• Gravitaional
• Elastic
• Kinetic

Energy stored in petrol in a car is transferred to energy stored in a moving car. What are the names for these two energy stores?

• chemical and kinetic
• strain and kinetic
• chemical and electrical
• electrical and kinetic

What are the energy transfers when a ball bounces?

• kinetic → heat → kinetic
• kinetic → sound → gravitational
• kinetic → elastic → kinetic
• elastic → kinetic → elastic

A cat is sleeping on a tree branch. What type of energy does the cat possess?

• kinetic energy
• gravitational energy
• elastic energy