Gr9PhyCheMs

In which ocean azores are located?

• Atlantic ocean
• Pacific ocean

• Indian ocean

• Arttic ocean

What is the name given to where the river meets the sea?

• Abyssal plain

• Estuary

• Continental Shelf

• Vent

What is the use of blubbers in whale?

• Auditory

• Vision

• Navigation

• Insulation

Impulse is the product of .......... and...........?

• Force and Time

• Mass and Velocity

• Torque and Time

• Mass and Acceleration

Sodium belongs to which element group?

• Alkali metal

• Transition metal

• Alkaline earth metals

What happens when an oxide ion is made from oxygen atom?

• Protons are accepted

• Electrons are accepted

• Protons are removed

• Electrons are removed

Which gas in the air is needed for iron to rust?

• argon

• carbon dioxide

• nitrogen

• oxygen

Which of the following is a physical quantity that has a magnitude but no direction?

• Vector

• Frame of reference

• Resultant

• Scalar

The weight of an object seems to act at single point. This is called

• centre of mass

• centre of gravity

• kilograms

• newton

Which term below best describes the forces on an object with a net force of zero?

• Inertia

• Balanced Forces

• Acceleration

• Unbalanced Forces