SCIENCE YEAR 5

Diagram 1 shows a food web. Which of the following is correct based on the food web?

• Animal S decrease if all the animal U die

• Animal T will die if all the animal S and R die

• Animal R and S increase, if all the animal U die

• Animal T will die if all the animal R die

Renewable energy means energy that can

• be generated from the existing sources continuosly.

• cause pollution.

• be generated from fuel.

• produce other energies

Diagram 2 shows statements about interaction among living things.

• 
• 
• 
• 

Hazlee is drawing using a pencil. He wants to erase some mistakes on his drawing. He does not have a rubber eraser.

What is the best way to erase the mistaken?

• Use his wet finger's surface

• Use a wet tissue

• Use a rubber band

• Use shoe whitener

Diagram 3 shows a classification of objects on the ability of light to pass through them. Which of the following represent objects W, X and Y?

• X: Wooden door, X: Clear plastic, Y: Coloured plastic

• X: Gauze, X: Coloured plastic, Y: Tracing paper

• X: Spectacles, X: Tracing paper, Y: Clear plastic

• X: Wooden door, X: Gauze, Y: Spectacles

Diagram 4 shows the results of an investigation using a balloon that has been blown and exposed under the sunlight. What conclusion can be made when the balloon receives heat?

• The air in the balloon expands

• Size of the balloon becomes bigger

• The air in the balloon becomes hotter

• The volume of the air in the balloon increases

Diagram 5 shows four types of plants that have been planted in a greenhouse. Which of the following plants will disperse and grow out of the pot?

• Balsam plant

• Lime

• Aloe vera

• Lemon grass

Diagram 6 shows a type of seed that dispersed by wind. What will happen to the seed if the seed has no structure X?

• Live healthily

• Grow near the parent plant

• Less competition with the parent plant

• Get enough basic needs

Diagram 7 shows a stall at a night market. Which of the following explains the changes of energy occurred to light the stall?

• Chemical energy --> Heat energy --> Electrical energy --> Light energy

• Electrical energy --> Light energy --> Heat energy --> Chemical energy

• Chemical energy --> Electrical energy --> Light energy + Heat energy

• Electrical energy --> Chemical energy --> Heat energy + Light energy

Diagram 8 shows a few lanterns that were hung on an iron wire. What conclusion can be made based on the condition of the iron wire at noon?

• The mass of lanterns increases

• Air in the lanterns expands

• Iron wire contracts when in cold

• Iron wire expands when in hot