9284720
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace más de 7 años
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Pregunta 1
Pregunta
Which of these is a reversible change?
Respuesta
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baking breadImage:Baking Bread (image/png)
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boiling waterImage:Boiling Water (image/png)
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frying chipsImage:Frying Chips (image/png)
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grilling sweetcorn
Pregunta 2
Pregunta
The arrows on the diagram show changes of state.
Which letter shows melting?
Respuesta
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A
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B
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C
-
D
Pregunta 3
Pregunta
The arrows on the diagram show changes of state.
Which letter shows condensing?
Respuesta
-
A
-
B
-
C
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D
Pregunta 4
Pregunta
The substances in a mixture:
Respuesta
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are always the same colour.
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are chemically joined together.
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can be separated.
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are always liquids.
Pregunta 5
Pregunta
Filtration can be used to separate a mixture of:
Respuesta
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salt and water.
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sand and salt.
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sand and water.
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sugar and salt.
Pregunta 6
Pregunta
Sieving can be used to separate a mixture of:
Respuesta
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sand and flour.
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sand and sugar.
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stones and sand.
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salt and water.
Pregunta 7
Pregunta
Which of these substances dissolves in water?
Respuesta
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flour
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salt
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sand
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stones
Pregunta 8
Pregunta
Sophie and her dad are cooking in the kitchen.
Sophie spills some flour onto some raisins.
Tick ONE box to show the equipment Sophie could use to separate the flour from the raisins quickly.
Image:
Flour & Raisins (image/png)
Respuesta
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wooden spoonImage:Wooden Spoon (image/png)
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sieveImage:Seive (image/png)
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weighing scalesImage:Weighing Scales (image/png)
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filterImage:Filter (image/png)
Pregunta 9
Pregunta
Connor was testing some solid powders to see if they dissolved. The diagram shows his results.
Which solid did not dissolve?
Respuesta
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A
-
B
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C
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D
Pregunta 10
Pregunta
John is making a clay pot.
Which stage in the process is an example of an irreversible change?
Image:
Making Clay Pot (image/png)
Respuesta
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cutting the clay
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wetting ther clay
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shaping the clay
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baking the clay
Pregunta 11
Pregunta
Milo separatesa mixture of sand, salt and sugar. He puts the solids into some water and stirs. Then he pours the mixture thrtough filter paper.
What weould he find in the filter paper?
Respuesta
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sand and salt
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sugar and salt
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sand only
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sugar only
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