Springdales School Grade 6 Science Half Yearly Revision

Fill-in-the-blank practice flashcards covering separation techniques, magnetism, material properties, and experimental design from the Grade 6 Science revision paper.

The method commonly used to separate grains from husk after threshing is __________.

Winnowing

A magnetic compass is made using the property that a freely suspended magnet aligns in the __________ direction.

North-South

In an experiment, the control group consists of individuals who __________ the variable being tested.

do not receive

In the setup shown, the iron nails are attracted to the top magnet, and the two magnets __________ each other.

repel

The basis of separation for filtration is the difference in __________ of the particles.

size

A property of metals that allows electrical current to flow easily is that they are good __________.

conductors of electricity

Magnetic field lines originate from the __________ pole and end at the south pole.

north

In a mixture of dense insoluble P particles, light soluble Q particles, and iron filings R, the iron filings can be separated using __________.

magnetic separation

When a mixture of salt, sand, and water is filtered using filter paper, substance X left behind on the filter paper is __________.

sand

When excess salt settles at the bottom of cold water, heating the water allows the salt to dissolve because heat increases the __________.

solubility of water

Evaporation can be used to separate dissolved salt from water because water turns into __________ leaving the salt behind.

vapor

Metals generally appear shiny because they possess a property called __________.

lustre

When the heavier component in a mixture settles after water is added, the process is called __________.

sedimentation

The process of removing water along with dust after the heavier components have settled is called __________.

decantation

To determine whether object T is a magnet, Bella should reverse magnet S to see if object T __________ magnet S.

repels

The process of separating salt from muddy rock salt requires four steps: breaking the muddy rock salt, adding water and stirring, __________ the mixture, and leaving it to evaporate.

filtering

When a solid dissolves in water, the water acts as the solvent and the dissolved solid is called the __________.

solute

An iron spoon feels colder than a wooden spoon at room temperature because iron is a much better __________ of heat than wood.

conductor

In the floating duck game shown, the duck moves away from the plate with pebbles because like magnetic poles __________ each other.

repel

A solution in which no more solute can dissolve at a given temperature is described as __________.

saturated