6th
grade

Science

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1. Multiple Choice
30 seconds
1 pt
which of the following is a reversible change.
Melting of a chocolate
Curdling of milk
Corrosion of metal
Tearing of paper
2. Multiple Choice
30 seconds
1 pt
Which of the following is not an irreversible change?
Frying food products
Boiling vegetables
Melting of wax
Baking biscuits
3. Multiple Choice
30 seconds
1 pt
What is an example of a reversible change?
Freezing water
Burning wood
Rotting fruit
Exploding fireworks
4. Multiple Choice
30 seconds
1 pt
Which of the following is a physical change?
Burning coal
Grinding coffee beans
Rusting of iron
Decomposing food
5. Multiple Choice
30 seconds
1 pt
What is an example of a chemical change?
Boiling water
Crushing a can
Baking a cake
Freezing ice
6. Multiple Choice
30 seconds
1 pt
What is an example of a physical change?
Boiling water
Crushing a can
Grinding coffee beans
Freezing ice
7. Multiple Choice
30 seconds
1 pt
What is an example of a chemical change?
Boiling water
Crushing a can
Baking a cake
Freezing ice
8. Fill in the Blank
1 minute
1 pt
Digestion of food is an example of ___________.
9. Multiple Choice
30 seconds
1 pt
All the changes in nature are reversible
TRUE
FALSE
10. Multiple Choice
30 seconds
1 pt
A reversible change is a permanent change
TRUE
FALSE
11. Multiple Choice
30 seconds
1 pt
substances increase in size of heating
TRUE
FALSE
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