Science Quiz

What is a primary use of air in daily life?

• For making roads

• For building houses

• For construction

• For breathing

Which of the following substances is NOT a natural component of soil, which is typically made up of minerals, organic matter, air, and water?

• Organic matter

• Plastic

• Water

• Minerals

Which process describes the conversion of water vapor back into liquid water?

• Melting

• Freezing

• Condensation

• Evaporation

Which statement best explains why a year is 365 days long?

• Earth rotates 365 times

• The Moon orbits Earth 12 times

• The Sun orbits Earth once

• Earth orbits the Sun once

What happens when air is heated?

• It becomes liquid

• It contracts

• It expands

• It stays still

Which sequence correctly describes the life cycle of a butterfly?

• egg → larva → pupa → adult

• egg → adult → larva → pupa

• pupa → egg → larva → adult

• larva → pupa → adult → egg

Which of the following is a renewable source of energy?

• Oil

• Solar energy

• Coal

• Natural gas

Which of the following habits is recommended to prevent sleep disorders?

• Maintaining a regular sleep schedule

• Sleeping at irregular hours

• Using electronic devices right before bed

• Drinking caffeinated beverages in the evening

Which of the following practices is best for eye health?

• Watching TV in the dark

• Taking regular breaks when using a computer

• Reading in dim light

• Staring at screens for long periods without rest

Which of the following is a healthy habit to maintain good dental hygiene?

• Avoiding brushing teeth to keep enamel strong

• Only using mouthwash without brushing teeth

• Brushing teeth at least twice a day

• Brushing teeth once a day