The freezing point of water is the same as its?
- Melting point
- Boiling point
- Evaporation point
- None
During the process, more water will also evaporate and convert to a gaseous state of water called the?
- Water Liquid
- Water Solid
- Water Vapour
- Water Ice
Which of the following is an outcome if condensation?
- Boiling
- Freezing
- Dew
- Moisture
A thick cloud of water droplets on the earth’s surface is called?
- Dew
- Fog
- Frost
- Rain
Fraction is a force which always opposes?
- Gravity
- Motion
- Electromagnetism
- Inertia
When something changes position, it is in?
- Rest
- Friction
- Motion
- Gravity
Which one of the following is not a advantage of friction?
- Walking
- Breaking
- Securing knots
- Fasteners
- Wear and Tear
Which one of the following is not a disadvantage of friction?
- Energy loss
- Fasteners
- Wear and Tear
- Speed limit
Which of the following can be used to reduce friction between moving parts of machines?
- Sand
- Grease
- Gears
- Screws
What do friction forces between the air and a moving object cause?
- Speed increase
- Weight decrease
- Resistance
- Energy gain