Concepts 2.1,2.2, 2.3

All matter is made of.............................

• Particles

• Proteins

• cells

• Bricks

The particles of gold are different from particles of iron ..........................

• X

Ice is transferred from a container to another it's volume..............................

• Increase

• Doesn't change

• decrease to its half

• Doubled

Scientists use .................... to see the components of one blood cell

• Electronic microscope

• Nacked eye

• Regular microscope

• Medical glasses

Models help us to see germs without microscope.........................

• X

Tropical rainforest home roofs are made up of .............................

• Leaves and sticks

• Cermaic bricks

• Strong stone

• Sand

All of the following from the physical properties of matter except........................

• Color

• Shape

• Ability of burning

• Temperature

A non-flammable gas that is used to fill the balloons is .................... gas

• Hydrogen

• Helium

• Oxygen

• Water vapor

We use ................. to make handles of cooking pans

• Plastic

• Copper

• Wood

• Plastic and wood

Measuring cup is used to measure the length of an object ...................

• X