Science Short Quiz

1. Which of the following can cause water pollution?

• Industrial discharge, agricultural runoff, sewage and wastewater, oil spills, plastic waste.
• Water filtration systems
• Proper disposal of waste materials

• Rainwater collection

Identify from the list below the materials that show chemical reaction.

• Rusting Iron

• Baking soda and Vinegar

• Tarnishing of silver jewelry

• All the options

Which of the following shows harmful effect of Physical Change.

• Boiling water turning into steam.
• Dissolving sugar in water.
• Crushing a can into a smaller shape.
• Melting of ice leading to flooding.

What change of material will happen when you break a glass?

• Chemical Change Occur

• It undergo Physical Change

• Nothing will happen

• All the options

Among the following, what can we do to minimize harmful changes in the material?

• Reusing item

• Recycling

• Proper waste disposal

• All the options

It is an alteration in the appearance or state of a substance without changing its chemical composition.

• Physical Change

• Chemical Change

• Both A and B

• All the Options

It is also known as a chemical reaction, involves the transformation of one or more substances into new substances with different chemical properties.

• Physical Change

• Chemical Change

• Both A and B

• All the options

What is it called when material reacts and creates a new material formation?

• Physical Change

• Chemical Change

• Both A and B

• All the Options

Identify which should NOT belong to the list.

• Formation of Ash

• Production of Smoke

• Rust Formation

• Boiling Water

It is a measure of how hot or cold something is.