More About changes

More About Changes

​6^th Grade Science

by Yoshy Faweta

Multiple Choice

Your Teacher will mix some substances with water.

Observe what happen with the mixture.

Choose one correct result

• All substances dissolve

• All substances change colour

• The substances do not dissolve

• The mixture produce bubbles

Multiple Choice

Your Teacher will mix each 3 substances with water.

Observe what happens with each mixture.

Which substance is a soluble material?

Choose one correct result

• Substance A

• Substance B

• Substance C

Multiple Choice

Dissolve is shown by picture ....

Multiple Choice

Study this picture.

The possible substance represented by X is ....

• sugar

• salt

• sand

• chalk

Multiple Choice

Solid that dissolve in water is called ....

• soluble

• insoluble

• reversible

• Irreversible

Multiple Choice

The mixture in which the solid dissolve is called ....

• reversible

• irreversible

• solution

• heterogenous

Multiple Choice

Study this picture.

The correct tool for separating this mixture is ....

Multiple Choice

Why do the mixture of beans and flour can be separated using a sieve?

• Because they have different size of grains

• Because they don't dissolve in water

• Because They dissolve in water

• Because one of them dissolves in water

Multiple Choice

Study this picture.

This mixing is irreversible change because ...

• the bicarbonate soda can't dissolve

• the vinegar can't dissolve

• there is a new substance produced

• vinegar and soda give no reaction

Multiple Select

The mixture that can be separated by sieving are ...

(choose two correct answers)

• Salt and Water

• Sugar and water

• Tea leaves from tea solution

• beans from water

• Iron filling from flour

Multiple Select

To separate salt from water in salt solution we need to ...

(choose 2 correct answers)

• use a paper sieve

• use a sieve

• evaporate the water

• heat the solution

• use a magnet

Multiple Select

Reversible changes are shown by picture ....

(choose 2 correct answers)

Multiple Select

Insoluble solids are shown by pictures ....

(Choose 2 correct answers)

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