Sci Quiz (2.3)

A student is examining a shiny metal spoon. They notice its color, shape, and how it feels cool to the touch, but they don't change what the spoon is made of. What kind of property are they observing?

• A characteristic of matter that changes the identity of the substance.

• A characteristic of matter that you can observe without changing the identity of the substance.

• A chemical reaction that alters the substance.

• A property that cannot be observed.

You are examining a mysterious substance. You observe its mass, color, and density, and you also test how it reacts with other chemicals. Which of these observations describes a chemical property of the substance?

• Mass

• Color

• Density

• Reactivity

The states of matter include solids, liquids, and _____. These are considered _____ properties of matter.

• gases, chemical

• density; physical

• oxidation; chemical

• gases; physical

Sugar will dissolve in water. What physical property of matter is this?

• Conductivity

• Solubility

• Reactivity

• Oxidation

When baking a cake, you notice that the batter changes color and produces a new smell and substance as it bakes. What kind of property are you observing?

• A characteristic of matter that can be observed without changing the matter.

• A characteristic of matter that can be observed as it changes to a different type of matter.

• A characteristic of matter that is observed with the senses.

• A characteristic of matter that is only theoretical.

Tags

NGSS.MS-PS1-2

What does oxidation refer to?

• The reaction of a substance to an oxidizing agent

• The ability of a substance to absorb heat

• The process of a substance melting

• The ability of a substance to emit light

Tags

NGSS.MS-PS1-2

Baking soda reacts with vinegar by bubbling, fizzing, and releasing carbon dioxide gas. What chemical property of matter is being described?

• Oxidation

• Reactivity

• Flammability

• Solubility

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following correctly contrasts two physical properties of apples and oranges?

• Apples are red, but oranges do not rot quickly when exposed to oxygen.

• Apples rot quickly when exposed to oxygen, but oranges do not.

• Apples rot quickly when exposed to oxygen, but oranges are orange.

• Apples are red and sweet, but oranges are orange and tangy.

Identify an example of flammable matter.

• Sugar and salt dissolving in water.

• Copper and silver conducting electricity

• Fire wood burning when gasoline is added.

• Water freezing at 0 ^oC

What is the main difference between physical and chemical properties?

• Physical properties involve changes in state; chemical properties involve changes in color

• Physical properties can be observed without changing the substance; chemical properties involve a change in the substance.

• Physical properties are always visible; chemical properties are always invisible

• Physical properties are related to temperature; chemical properties are related to pressure