PPOM Check # 1

(5.6A) Which set of items is less dense than water?

• Plastic paper clip, penny, and cork

• Toothpick, metal spoon, and plastic paper clip

• Metal spoon, vegetable oil, and penny

• Toothpick, cork, and vegetable oil

(5.6A) Which of these physical properties do all four objects have in common?

• They all have the same physical state and conduct electricity.

• They all conduct electricity and attract the same metal objects.

• They all attract the same metal objects and are not soluble in water.

• They all are not soluble in water and have the same physical state.

(5.6A) Which statement correctly identifies two of the materials based on the classification of properties in the table?

• Material 1 is a rubber ball.

  Material 2 is a piece of cardboard.

• Material 2 is an aluminum washer.

  Material 3 is a copper wire.

• Material 3 is a piece of cardboard.

  Material 4 is an aluminum washer.

• Material 1 is a copper wire.

  Material 4 is a rubber ball.

(5.6B) The students are trying to determine the presence of which substance in the cereal?

• Sugar

• Iron

• Salt

• Wheat

(5.6C) Which change occurs when lemon juice is mixed with water?

• The mass of the lemon juice decreases.

• The water becomes a solid.

• The lemon juice dissolves and spreads out evenly in the water.

• The volume of the water decreases.

How do you feel about answering questions about physical properties of matter?

• Level 1:

  I don't understand this at all yet.

• Level 2:

  I kind of understand it, but I need a lot of help right now.

• Level 3: I mostly understand. I just need a little bit of help.

• Level 4: I completely understand. I could even teach it to someone else.