Physical Science: Ch. 7: Foundations of Chemistry

What is matter?

• anything that has mass and takes up space
• a substance that consists of one type of atom
• a small particle that is a building block 
• the amount of mass per unit volume

Tags

NGSS.MS-PS1-5

Which of the following has a positive charge?

• proton
• neutron
• electron

Oxygen is an example of 

• an element.
• a compound.
• a substance.
• a mixture.

Solutes dissolve in solvents.

• True
• False

Which of the following is an example of a size-dependent physical property?

• volume
• state of matter
• conductivity
• boiling point

The melting point refers to

• the point at which a liquid turns into a gas.
• the point at which a solid turns into a liquid.
• a substances ability to conduct thermal electricity.
• the amount of space something takes up.

Tags

NGSS.MS-PS1-4

Which of the following is an example of a gas?

• aluminum
• water
• oxygen
• iron

Physical properties can be used to separate a compound.

• True
• False

Which of the following terms best describes a change in shape, size, form, or state of matter in which the identity of the substance stays the same?

• chemical change
• element
• physical change
• conductivity

Tags

NGSS.MS-PS1-4

What happens to the particles in a substance when thermal energy is removed?

• the particles move faster
• the particles speed does not change
• the particles move slower

Tags

NGSS.MS-PS1-4