How is rainbow formed? It is formed when ….

• light hits water vapour in the air and is reflected

• light hits water droplets in the air and is refracted.

• light hits air

Which of the following bodies of water is saltwater ecosystem?

• Newton’s Pond

• Curie lake

• Einstein Ocean

What is the largest organ in our body?

• Brain

• Skin

• Heart

What type of energy does an empty bowl have when it is staying on a table?

• Chemical energy

• Kinetic energy

• Potential energy

1What is mass?

• Amount of matter an object has.

• An object that shows how much kilogram is in it.

• The height of an object

The movement of Earth on its axis is called ….

• revolution

• rotation

• displacement

You left a hot, closed cup of tea on a table in a cold room for few hours. What can you expect to change?

• It stays the same temperature with the same amount of liquid.

• It stays the same temperature with less liquid.

• It is colder with the same amount of liquid.

What is the only rock that float?

• Pumice

• Granite

• Marble

Where does the energy start in food chain?

• Plant

• Sun

• Wolf

Which type of consumer eats meat and plants?

• Carnivore

• Herbivore

• Omnivore