Exploring Energy and Compounds Quiz

Which of the following is a common compound found in table salt?

• Sodium chloride

• Potassium iodide

• Calcium carbonate

• Magnesium sulfate

What is the main difference between molecular and lattice compounds?

• Molecular compounds are made of ions, while lattice compounds are made of molecules.

• Molecular compounds have a regular repeating pattern, while lattice compounds do not.

• Molecular compounds are formed by covalent bonds, while lattice compounds are formed by ionic bonds.

• Molecular compounds are always solid, while lattice compounds can be in any state.

Which of the following is an example of kinetic energy?

• A stretched rubber band

• A moving car

• A charged battery

• A book on a shelf

What type of energy is stored in the bonds of chemical compounds?

• Thermal energy

• Kinetic energy

• Chemical energy

• Nuclear energy

Which of the following describes energy transfer?

• Energy changing from one form to another

• Energy moving from one object to another

• Energy being created or destroyed

• Energy remaining constant

What is an example of energy transformation?

• A ball rolling down a hill

• A light bulb converting electrical energy to light energy

• A person pushing a box

• A car parked on a slope

Which of the following is an example of energy efficiency?

• A car engine converting 25% of fuel energy into motion

• A heater warming a room

• A solar panel absorbing sunlight

• A wind turbine spinning

Calculate the energy efficiency if a machine uses 200 J of energy to produce 50 J of useful work.

• 10%

• 25%

• 50%

• 75%

Which of the following compounds is a lattice compound?

What type of energy is associated with the position of an object?

• Kinetic energy

• Potential energy

• Thermal energy

• Sound energy