REVIEW SCIENCE-1 Q2

Soil can be naturally carried from one place to another. The natural movement of soil from one place to another place is known as ….

• erosion

• breaking

• removing

• weathering

Four pupils wrote down a difference between weathering and erosion.

Anna     : Erosion happens after weathering.

Bob        : Wind can cause both weathering and erosion.

Cindy    : Water can cause both weathering and erosion.

Derek    : Erosion breaks rocks down, while weathering carries soil away.

Based on information above, an incorrect statement is ….

• Anna

• Bob

• Cindy

• Derek

Natural disasters are major destructive events resulting from natural processes of the Earth. The natural disasters known as a cyclone is ….

• Tsunami

• Typhoon

• Earthquake

• Volcanic eruption

Label A, B and C show ....

• A: Mantel

  B: Crust

  C: Core

• A: Core

  B: Mantle

  C: Crust

• A: Crust

  B: Mantle

  C: Core

• A: Crust

  B: Core

  C: Mantle

Four people A, B, C and D live on different parts of the earth as shown in the diagram.

Based on the diagram, the true following statement is ….

• when A experiences night, B will experience night

• when B experiences day, A will experience night

• when C experiences night, A will experience day

• when D experiences day, B will experience night

An eclipse occurs when an object in the solar system forms a shadow on another object as it moves between the sun and that object. The correct description of an eclipse below is ….

• the sun changes it shapes

• the moon changes its shapes

• light from the sun is blocked

• light is reflected off the moon

The earth spins or rotates, it takes 24 hours or about a day to make rotation. The name of imaginary line through the center of an object around which it rotates or spins is called ….

• revolution

• orbit

• phase

• axis

The correct pictures below that shows the earth revolves around the sun as the moon revolves around the earth is ….

• 
• 
• 
• 

Look at the circuit diagram of an electric circuit.

The correct description about an electric circuit is ….

• Type of circuit: series

  Number of bulbs: 2

  Number of batteries: 3

• Type of circuit: series

  Number of bulbs: 3

  Number of batteries: 2

• Type of circuit: parallel

  Number of bulbs: 3

  Number of batteries: 4

• Type of circuit: parallel

  Number of bulbs: 3

  Number of batteries: 2

Using fossil fuels to produce electricity is not sustainable as they will run out one day. We need to have alternative sources of energy to produce electricity. The alternative source of energy does not require a turbine to produce electricity is ….

• solar energy

• wave energy

• wind energy

• geothermal energy