Energy and Heat
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Forms of Energy (Kinetic and Potential)
SubtopicForms of Energy (Kinetic and Potential) under Energy and Heat for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of the following would have the least gravitational potential energy?
A.A pebble on the ground
B.A pebble on a chair
C.A pebble on a rooftop
D.A pebble in an airplane
- 2.
The total mechanical energy of an object is equal to:
A.B.C.D. - 3.
A match contains energy stored in its head. This is:
A.Kinetic energy
B.Gravitational potential energy
C.Chemical potential energy
D.Elastic potential energy
Download the worksheet for Energy and Heat - Forms of Energy (Kinetic and Potential) to practice offline. It includes additional chapter-level practice questions.
Energy Transformations and Conservation
SubtopicEnergy Transformations and Conservation under Energy and Heat for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of the following describes a material that does NOT allow heat to flow through it easily?
A.Conductor
B.Radiator
C.Insulator
D.Reflector
- 2.
A ball is thrown straight up into the air. What happens to its kinetic energy as it reaches its highest point?
A.It increases
B.It transforms into gravitational potential energy
C.It turns into chemical energy
D.It stays the same
- 3.
Which energy transformation is most common in a power drill?
A.Electrical to kinetic
B.Chemical to light
C.Sound to potential
D.Nuclear to thermal
Download the worksheet for Energy and Heat - Energy Transformations and Conservation to practice offline. It includes additional chapter-level practice questions.
Methods of Heat Transfer (Conduction, Convection, Radiation)
SubtopicMethods of Heat Transfer (Conduction, Convection, Radiation) under Energy and Heat for Grade 7 IB.
Preview questions (no answers)
- 1.
Which statement best describes what happens during heat transfer?
A.Heat moves from a cold object to a hot object
B.Heat moves from a hot object to a cold object
C.Heat stays inside the object and never moves
D.Cold moves from a cold object to a hot object
- 2.
A 'thermal' is a column of rising air used by birds and gliders to stay in the air. This is caused by:
A.Conduction
B.Convection
C.Radiation
D.Friction
- 3.
When a metal object is heated, what is actually being transferred between the atoms?
A.Protons
B.Kinetic energy
C.Matter
D.Coldness
Download the worksheet for Energy and Heat - Methods of Heat Transfer (Conduction, Convection, Radiation) to practice offline. It includes additional chapter-level practice questions.
Renewable and Non-renewable Energy Resources
SubtopicRenewable and Non-renewable Energy Resources under Energy and Heat for Grade 7 IB.
Preview questions (no answers)
- 1.
Which energy source involves burning garbage to generate electricity?
A.Geothermal
B.Nuclear
C.Waste-to-Energy (Biomass)
D.Solar
- 2.
What is the primary source of energy that causes the wind to blow?
A.The Earth's core
B.The Sun
C.The Moon
D.The Oceans
- 3.
Why is it important to develop renewable energy technologies?
A.Because fossil fuels are being used faster than they form
B.Because renewable energy is always cheaper right now
C.Because fossil fuels do not produce any energy
D.Because renewable energy is only for scientists
Download the worksheet for Energy and Heat - Renewable and Non-renewable Energy Resources to practice offline. It includes additional chapter-level practice questions.