Most materials __________ when heated.

Most materials ___________ when cooled.

When an object expands, it becomes _____.

When an object contracts, it becomes __________.

When the objects can return to their original sizes and shapes easily after they have changed, we call it __________________.

When the objects cannot return to their original sizes and shapes after they have changed, we call it _____________________.

Which of the following objects can change in size when pulled?

Bending a wooden pencil can changes its ___________.

Which of the followings is the example of temporary change?

The plastic wrap changes in shape when it is used to wrap the vegetable. It shows that the changes in plastic wrap is _____ to us.

Which word best describes the changes caused by the actions?

The followings are things to prevent harm caused by changes, except _____.

What is the purpose of the gaps between the tiles on the walkway?

Breaking a mirror is a ________ change.

Pressing a playdough ball is a _____ change.

Bending a plastic ruler is a _____ change.

Tearing a paper is a _______ change.

Popping up a balloon is a _____ change.

Opening a door is a _____ change.