Learning Set 3 Quiz

Based on your investigation (data table), can you determine what a substance is by looking at one property? Choose all that apply.

• a. You can tell what a substance is by looking at one property like hardness.

• b. You can tell what a substance is by looking at a combination of properties like hardness and color.

• c. You can tell what a substance is by looking at a combination of properties like hardness and malleability.

• d. Properties are not enough data to identify a substance.

Gold is an element because

• a. it has 1,077 sextillion atoms in a small block.

• b. it is a metal

• c. it is made up of only gold atoms.

• d. it can be used to make jewelry.

Tags

NGSS.MS-PS1-1

What is the difference between an atom and an element?

• a. An atom is a particle that makes up all matter. Atoms are different types and each of these types is a different element.

• b. An element is what the substance is and an atom is made of different elements.

• c. For example, a block of gold is made of particles called atoms. Gold is an element because it is only made up special elements.

• d. Atoms and elements are essentially the same things, elements are actually combined of different atoms.

Can some elements share all properties?

• a. Gold and Fool’s gold share all the same properties, but they are different substances.

• b. If they share all the same properties, they would be the same substance.

• c. all of the metals that we tested no property that was different.

• d. Some elements can share all properties, so they are difficult to tell apart.

Based on your investigation (data table), can you determine what a substance is by looking at one property? Choose all that apply.

• a. You can tell what a substance is by looking at one property like hardness.

• b. You can tell what a substance is by looking at a combination of properties like hardness and color.

• c. You can tell what a substance is by looking at a combination of properties like hardness and malleability.

• d. Properties are not enough data to identify a substance.

What does this model show? Choose the best answer.

• a. It shows that 3 nitrogen atoms and 1 hydrogen atom make up ammonia

• b. It shows that ammonia is made of different molecules.

• c. It shows that a molecule of ammonia is made of three hydrogen atoms and one nitrogen atom. They are connected together.

Tags

NGSS.MS-PS1-1

Is air a pure substance? Why or why not? Choose the best answer.

• a. Air is a pure substance because it is made of air molecules

• b. Air is not a pure substance. It is made of different kinds of molecules like carbon dioxide, nitrogen, oxygen and water

• c. Air is not a pure substance because it is made of the same kind of molecules throughout

• d. Air is not a substance, it is matter in the gas phase.

Look closely at the label of this bottle of water. Are you drinking a substance or drinking a mixture? Choose the best answer.

• a. You are drinking a substance because it is water

• b. You are drinking a mixture. Pure water (a substance) has only water as an ingredient. This label shows that there is sodium and calcium in the water

• c. You are drinking a mixture since this bottle has different kinds of water in it

• d. You are drinking a substance. Sodium and calcium are elements found in all substances.

Different substances have different odors because the atoms combine in different ways (each has a different arrangement).

• a. True

• b. False

Tags

NGSS.MS-PS1-1