Matter and Energy

Q. 

The amount of matter in an object is a measure of the object's ________________.

• Volume

• density

• mass

• Solubility

In which state does matter completely fill its closed container?

• Gas

• Liquid

• Solid

• Ice

. 

The state of matter in which a substance has a definite volume but no definite shape.

• Gas

• Liquid

• Solid

• Matter

The state of matter in which a substance has a definite shape and definite volume.

• Gas

• Liquid

• Solid

• Matter

Which of the following is an example of a physical change?

• sugar and oxygen reacting to produce water and carbon dioxide

• honey dissolving in tea

• a raw egg being cooked

• metal rusting after being left out in the rain

Which of the following options provides evidence of a CHEMICAL change?

• Wood is burned releasing ash and smoke

• Rocks separate when soil is sifted

• Water turns to ice when you put it in the freezer

• Salt dissolves in water

 

Nitrogen (N), Oxygen (O), Carbon (C) and Hydrogen are the most common example of ?

• Molecules

• Elements

• Compounds

• Substances

This is a mixture of two or more substances in which one or more of these substances (solutes) is dissolved in another substance.

• Compound

• Element

• Heterogeneous mixture

• Homogeneous mixture

This method separates substances due to differences in the sizes of their particles.

• Filtration

• Sieving

• Evaporation

• Distilation

Which method(s) separate substances based on them having different boiling points? (Select all that apply)

• Filtration

• Evaporation

• Distilation

• Chromatography