2018-2019 Case #2 "States of Matter" CFA March

Which sentence from the passage states the main idea?

• “Solids, liquids, and gases are states of matter.”

• “Solids are objects that keep their shape.”

• “That is why liquids can flow and be poured.”

• "Water vapor is an example of a gas found in clouds.”

Read the sentence from paragraph 2.

The atoms in a solid are packed tight.

What does “packed tight” mean?

• The atoms can move easily.

• The atoms are close together.

• The atoms have space between them.

• The atoms can change easily.

What does the word container mean in paragraph 3?

• object used to hold items

• machine used to heat water

• machine used to keep items cold or frozen

• object used to control the flow of water in a sink

Which sentence from the passage supports the idea that states of matter are special?

• “Solids, liquids, and gases are states of matter.”

• “Ice is a solid type of water.”

• “Water vapor is an example of a gas found in clouds.”

• “States of matter can change into one another.”

Which two words from the passage have short vowel sounds? Choose two correct answers.

• space

• filled

• keep

• shape

• packed

• It helps the reader see how the world is made up of states of matter.

• It helps the reader see the amounts of space between atoms in states of matter.

• It helps the reader see how people eat, drink, and breathe states of matter.

• It helps the reader see the effect that heat has on states of matter.