Grade 6 Physics Quiz

What is the purpose of a switch in an electrical circuit?

• To generate heat in the circuit

• To attract lightning to the circuit

• To open or close the circuit and control the flow of electricity.

• To play music in the circuit

What is the difference between a series circuit and a parallel circuit?

• The difference is in the flow of current through the components.

• The difference is in the temperature of the circuit

• The difference is in the size of the components used

• The difference is in the color of the wires used

Why are metals good conductors of electricity?

• Metals have fixed electrons

• Metals have positive charge

• Metals have no electrons

• Metals have free electrons that can move easily within the material.

What is the unit of electric current?

• A

• D

• C

• B

What are the three main types of rocks?

• North, south, east

• Solid, liquid, gas

• Red, blue, green

• Igneous, sedimentary, and metamorphic

How are igneous rocks formed?

• From the evaporation of water

• From the cooling of volcanic gases

• From the solidification of molten rock material

• From the compression of sedimentary rocks

What are the characteristics of sedimentary rocks?

• Formed by accumulation and compression of sediments, often contain fossils, layered in appearance

• Contain only non-living materials

• Formed by volcanic activity

• Always smooth and polished

What is the process of metamorphism in rocks?

• Growth of plants on rocks

• Formation of rocks due to volcanic activity

• Erosion and weathering of rocks

• Physical and chemical changes in rocks due to heat, pressure, and chemical reactions

What is the force that pulls objects towards each other?

• gravity

• friction

• magnetism

• wind

How does a compass align itself with the Earth's magnetic field?

• By using GPS coordinates

• Through the use of solar power

• Due to the presence of a magnetized needle that is free to pivot and align with the magnetic field lines.

• By detecting the Earth's rotation