Changing Materials - reinforcement

If you add heat energy to a solid, what will happen to it?

Melting chocolate is a....

Choose the reversible change

What type of reactions can able to change products back to the their original form?

Which of the following combination is correct?

If you add heat energy to a solid, what will happen to it?

When matter changes state, does the mass change?

Which of these best shows a change in a state of matter?

Increasing the temperature of something is called _______.

Decreasing the temperature of something is called ______.

Melting of ice is a _______________ change

Melting of ice cream is a _______________ change

The picture is an example of _____________.

True or False: If you take heat away from water, it freezes into a solid.

The picture is an example of what state of matter?

Burning of paper is a _______________ change

Which of these is NOT a reversible change?

Melting of butter is a _______________ change

Frying an egg to make an omelette is a _______________ change

What is an irreversible change?

What evidence shows that melting of ice is a physical change.