Sc_Chap5 F1__01

Which is matter? (3 answers )

• table

• light

• flower

• gas

• heat

Matter are___________and ____________.

• take up space

• have mass

• have energy

• take up money

• have sound

Which is physical properties of matter? (2 answers)

• mass

• corrosion

• rusting

• combustibility

• temperature

which is chemical properties? (3 answers)

• density

• oxidation

• rusting

• combustibility

• colour

petroleum 0.250.25g/cm³,

aluminium 2.70 g/cm³

, water 1.00g/cm³,

cork 0.25g/cm³

which material will float(浮) on water?

• petroleum

• aluminium

• cork

melting point of water is ________℃.

• 0

• 50

• 100

• 1000

boiling point of water is ________℃.

• 0

• 50

• 100

• 1000

freezing point of water is ________℃.

• 0

• 50

• 100

• 1000

solubility is________

• 溶解度

• 密度

• 温度

• 质量

corrosion 是

• 腐蚀性

• 溶解性

• 燃烧性

• 锈蚀性