Unit 6 Lesson

Which of these choices is a physical property that does NOT change when the size of the sample changes?

• mass
• volume
• density
• flammability

Hydrogen gas can be found in trace amounts in Earth's atmosphere. Which of these statements describes a physical property of hydrogen?

• Hydrogen is found in acids
• Hydrogen gas is highly flammable
• Hydrogen reacts with oxygen to form water
• Hydrogen gas is less dense than oxygen gas

Which of these is a chemical property of a sheet of paper?

• The paper can be burned
• The paper can be crumpled
• The paper does not attract a magnet
• The paper does not conduct electricity

Tags

NGSS.MS-PS1-2

You have four items: a paper clip, a pair of scissors, a needle and a horseshoe. Assume that each object is made of the same metal. Which of these physical properties is not similar in all four of these objects?

• mass
• magnetism
• specific heat
• electrical conductivity

Which of these statements describes a chemical property of an object?

• The object is white in color
• The object has a powdery texture
• The object's density is 2.11 g/cm3
• The object reacts with acid to form water

Tags

NGSS.MS-PS1-2

_______________ is the ability of a substance to be rolled or pounded into various shapes.

• Solubility
• Malleability
• Density
• Electrical conductivity
• Melting point

_______________ is the ability of a substance to dissolve in another substance

• Solubility
• Malleability
• Density
• Electrical conductivity
• Melting point

_______________ is a measure of how well an electric current can move through a substance.

• Solubility
• Malleability
• Density
• Electrical conductivity
• Melting point

The ____________ of a substance is the temperature at which it changes from a solid to a liquid.

• Solubility
• Malleability
• Density
• Electrical conductivity
• Melting point

Tags

NGSS.MS-PS1-4

A characteristic of a substance that can be observed and measured without changing the identity of the substance is called a ________________

• chemical property
• physical property