KS3 Energy Physics

Which direction will the heat flow while this person holds a hot cup of tea?

• from the cup to her hand
• from her hand to the cup
• no heat is transferred

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

What is the unit of energy?

• joules

• watts

• grams

• metres

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

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

• Thermal
• Gravitaional
• Elastic
• Kinetic

What is the name for energy stored in a hot object?

• Thermal
• Potential
• Fire
• Electrical

What type of energy is stored in food and fuel?

• Chemical
• Thermal
• Potential
• Calories

When an object is moved to a higher position, what name is given to the energy it then stores?

• Gravitational Potential
• Elastic
• Height
• 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