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It is a type of seed that dispersed by animals. If there is no structure S on the seed, what will happen to the seed?
Grow in the same place
More competition to get the basic need
Less competition with the parent plant to get the basic need
Which of the following explains the changes of energy occurred to light the road.
Electrical energy --> Light energy + Heat energy
Solar energy --> Electrical energy --> Light energy + Heat energy
Solar energy --> Light energy + Heat energy
Electrical energy --> Solar energy --> Light energy
Why does the animals live as in the diagram?
Can protect them easily
To prevent competition to get water source
Can build shelther quickly
To overcome the limited food sources
What is the scientific principle used in thermometer?
Light travels in straight line.
Materials expand when heated and contract when cooled.
Energy has shape transformation.
Liquid has a fixed volume.
Diagram shows an animal that breathes through a certain breathing organ.
Which of the following fruits disperses its seeds through explosive mechanism?
Which of the following animals live in group?
What is the factor that affects the shadow shape of the object?
Position of light source
Type of object
Shape of object
What are the tools that use the simple machine?
Which bulb will light up if bulb P fused?
Bulb Q and R
Bulb S and R
Bulb Q, R and S