End of the year

Plate C is the

• Antarctic Plate

• Australian Plate

• North American Plate

• African Plate

What layer of the earth has convection currents.

• Crust

• Mantle

• Outer Core

• Inner Core

Raul burns his paper boat. This is a _______________ change.

• Physical

• Chemical

Luis boils water in a pot to make pasta. He notices that the water is becoming gas (water vapor). What kind of change is this?

• physical change

• chemical change

Which of the following is an example of a precipitate?

• liquid evaporating into gas

• a solid formed from a frozen liquid

• a chunk solid formed from two liquids combining

• a liquid solution that contains two substances

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

Which of the following shows the correct charges for each subatoomic particle?

• electrons (+),

  neutrons (0),

  protons (+)

• electrons (-),

  protons (0),

  neutrons (+)

• electrons (0),

  neutrons (-),

  protons( +)

• electrons(-),

  protons (+),

  neutrons (0)

Which of the following shows the correct location for each subatomic particle?

• electron cloud: electrons & neutrons

  nucleus: protons

• electron cloud: neutrons & protons

  nucleus: electrons

• electron cloud: electrons

  nucleus: protons & neutrons

• electron cloud: protons

  nucleus: neutrons & electrons

How many protons, neutrons and electrons does As have? Hint: work out PEN APE MAN on a sheet of paper. Be careful when rounding

• P: 33

  E: 33

  N: 41

• P: 33

  E: 74

  N: 33

• P: 33

  E: 33

  N: 42

• P: 33

  E: 75

  N: 42

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃