REVIEW CA 2 P6

This is classified as a / an_____

• lever

• inclined plane

• pulley

The changing process from solid to gas is called _____

• evaporation

• sublimation

• freezing

The example of sublimation is on _____

• balloon

• dry ice

• perfume

Precipitation is the method of _______

• solid turns to liquid

• mixing two chemicals and make it into a reaction

• drying process

Why is when man climbing to a rock mountain, he would feel harder compare to when creeping down?

• gravity

• friction

• magnetic

Which one is the example of frictional force?_____

• repulsion

• a book falling

• pushing a trolley

Unlike poles of two magnets will _____

• repel

• attract

• no action

Freeze drying method is used to ____

• sublime

• change matter

• preserve food

Supernate is _____

• pigments

• powder of the substance

• the liquid left behind

In 3rd class lever, what is in the middle?

• effort

• fulcrum

• load