Q1. The Earth revolves around the Sun.
True
False
Q2. Sound can travel through a vacuum.
True
False
Q3. Water boils at 100°C at sea level.
True
False
Q4. Plants produce oxygen during photosynthesis.
True
False
Q5. The chemical symbol for sodium is Na.
True
False
Q6. Humans have three hearts.
True
False
Q7. Light travels slower than sound.
True
False
Q8. The freezing point of water is 0°C.
True
False
Q9. The Moon is a source of light.
True
False
Q10. Electricity can pass through metals.
True
False