Final exams Grade 5

In salty solution, the salt is called ... while the water is called .....

• solvent and solute

• solute and solvent

• nothing

Friction force has its effect in the ......... direction of motion

• opposite

• same

• with

There are two types of the light reflection.. . and .... reflection.

• regular and irregular

• normal and abnormal

Blood circulation between the ....and .....is knowen as pulmonary blood circulation.

• right ventricle and lung

• right ventricle and heart

• lung and left ventricle

. . is an extinct animals due to the changing of environmental conditions

• The disappearance of dinosaurs

• The disappearance of monkeys

• The disappearance of birds

A temporary relationship between two living organisms that ends by devouring the prey or a part of it

• prediation

• Symbiosis

• Parasitism

A friction force between air and the moving object through.

• friction force

• air force

• Air Resistance

A watery fluid in which blood cells float.

• water

• plasma

• blood

The change in the direction of light rays when they pass through the separating surface between two transparent media.

• reflection

• deviation

• refraction

The decayed remains of living organisms that exists in the soil

• dead animals

• humus

• sand