Special Properties of Matter

Esther is studying the physical and chemical properties of a solid object. She subjects the object to a number of tests and observations. Which of these statements describes a chemical property of the 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

All matter has physical and chemical properties. These properties can be used to identify the type of matter. Which of these choices describes a chemical property?

• flexibility

• boiling point

• reactivity with water

• electrical conductivity

Sal is given a sample of an unknown liquid to test in the laboratory. Sal thinks the liquid might be water. Which of these physical properties would be most helpful for Sal to determine the identity of the liquid?

• volume

• mass

• density

• boiling point

Marco tears a piece of notebook paper into smaller pieces, as shown below. Tearing paper into pieces is an example of what kind of change?

• a change in mass

• a physical change

• a chemical change

• a change in energy

If the density of an object is higher than the density of water, that object will sink in water.

• True

• False

Why do porous materials like tissue paper, sponge and cloth naturally absorb water? Because these materials _____

• have flat surface that allow air to move through

• are non-porous that allow air and water to pass through

• have small holes that allow liquid and air pass through

Airam Dawn placed rubber ball, plastic cup, piece of paper, metal spoon and cloth in a basin of water. Which of the listed materials will easily absorb water?

• paper and cloth

• rubber and paper

• plastic cup and metal spoon

• none

What do you call the materials that absorb water?

• Porous

• Non-Porous

• Porous and No-Porous

• None of the choices

Which of these materials float in water?

• balloon

• drinking glass

• stone

• metal spoon

means how much a substance can be hammered flat or bent.

• ductility

• brittleness

• luster

• malleability