Physical Changes

Which of these is a chemical change? Circle ‘Yes’ or ‘No’ to mark your response.

What will happen if thermometer drops from my hand?

When we heat iron, hydrogen peroxide, and carbon dioxide at the same temperature which will expand more?

Which of the following are a type of physical change.

Which of the following is a physical change.
 

Is sugar dissolving in water a physical change or chemical change?

Changes in which only _____ properties of a substance change are called physical changes.

Which of the following is a physical change?

Identify whether the activity given below shows physical (P) or chemical (C) change. 

Identify whether the activity given below shows physical change or chemical change. Write P for physical change and C for chemical change.

State whether the following statements are true or false.

Cutting a log of wood into pieces is a chemical change.

The physical changes are usually temporary and reversible but _____ changes are always permanent and irreversible.

The changes in the states of matter are of two types, physical change and _____ change.

Take a tumbler containing water. Place a blade horizontally. It floats. Place the same blade perpendicular to the surface of the water. See what happens.

List the objects with less and higher density.

Prepare a list of activities done in your surrounding that involve physical change or chemical change. Write five examples of each (one is done for you). 

Describe physical and chemical changes with two examples of each.

Change of water to ice is a chemical change.

The cooking of rice is a physical change.

Cutting the fruit with a knife is the interaction between the knife and the fruit.