Show:
Dissolving
Forces
Light and Sight
Changes in Matter
Scientific Enquiry
100
This is sweet and dissolves in water
What is sugar?
100
It is a pull force which usually pulls things to the center of the earth.
What is Gravity?
100
the cornea.
What is the layer that protects the eye?
100
line graph
What kind of chart is used to note the changes of weather?
200
When mixing water and sugar, water is the solvent
What is the solvent in the dissolving process of sugar and water?
200
A Force found between two objects rubbing against each other.
What is Friction?
200
the pupil.
What is the only light pass in the eye?
200
this is a reversible physical change in which a liquid turns to a gas.
What is condensation?
300
Sugar is a solute.
Give an Example of a solute.
300
A way of reducing the frictional force.
What is streamlining?
300
The iris.
What is the part of the eye that holds the pigment?
300
Burning
What is an example of an irrevirsible change?
300
bar chart
What is a good example of a chart that shows things that are not related.
400
Because heat gives the water particles energy to surround the solute's particles faster.
Why does heated water boost dissolving?
400
Liquids that help in reducing frictional force.
What are lubricants?
400
This is formed when light is blocked by an opaque object.
How is a shadow formed?
400
fuel, heat and oxygen.
What are the three components needed to start the process of burning
400
pie chart.
What is a good chart that represents percentages?
500
because the particles of the caster sugar are already broken down and so stirring will only help in the remains that are not yet dissolved.
Why does caster sugar dissolve faster than sugar cubes?
500
Water and air resistance.
What are some other examples of friction?
500
the optic nerve
What is the part that sends a message to the brain and then the brain trannslates this message to an image?
500
oxygen is missing to light up the candle.
What is the component missing in the lighting a candle and covering it with a glass completely.
500
line graph
What is a good way of showing the changes of something in different periods of time?