chemical changes

What is the name of this piece of equipment?

• tripod

• bunsen burner

• flame

• gauze

When the air hole is open more oxygen enters the Bunsen burner, making a roaring flame.

• True

• False

If the air hole is closed less oxygen will enter the Bunsen burner, making a roaring flame.

• True

• False

Which of these is not a way to stay safe when using a bunsen burner?

• tie hair back

• sit down

• put bags away

• tuck ties in

What sound does the bunsen burner make when the air whole is fully closed?

• roaring

• quite noisy

• quiet

What equipment can you see in this image?

• bunsen burner

  tripod

  gauze

  beaker

  heat proof mat

• bunsen burner

  stand

  beaker

  gauze

  heat proof mat

• flame

  tripod

  gauze

  beaker

  heat proof mat

• bunsen burner

  tripod

  gauze

  cup

  heat proof mat

What is a solution?

• the substance that dissolves in a solvent

• a liquid mixture that contains a solute and a solvent

• the liquid in which a solute is dissolved to form a solution

• mixture of water and solid that does not dissolve

What is a solute?

• the substance that dissolves in a solvent

• a liquid mixture that contains a solute and a solvent

• the liquid in which a solute is dissolved to form a solution

• mixture of water and solid that does not dissolve

What is a solvent?

• the substance that dissolves in a solvent

• a liquid mixture that contains a solute and a solvent

• the liquid in which a solute is dissolved to form a solution

• mixture of water and solid that does not dissolve

What is a suspension?

• the substance that dissolves in a solvent

• a liquid mixture that contains a solute and a solvent

• the liquid in which a solute is dissolved to form a solution

• mixture of water and solid that does not dissolve