What type of changes in materials were mentioned in the audio recording?

Give at least one type of mixture.

Which of the following changes in materials may harm our environment?

Which of the following has beneficial effects on one's environment?

Cutting fabric has harmful effects on the environment.

What kind of mixture is shown when the resulting mixture looked the same throughout?

Group the following changes in materials according to their effects on one's environment.

videoq:OasbYWF4_S8: 0:50//What are the 3 R's stand for?

Match the following materials according to their state of matter.

Classify the following mixtures.

Give at least one type of mixture.

A change in materials wherein a new material is formed and is irreversible.

Arrange the metamorphosis of a Cockroach orderly.

Match the following materials according to their properties.