The Smallest Units of Matter
What is matter?
Anything that has weight and takes up space.
Page 3, The Smallest Units of Matter, first paragraph
What are the three common states of matter?
Solids, liquids, and gases.
Page 3, Matter All Around
What does volume mean?
The amount of space matter takes up.
Page 3, Matter All Around/Vocabulary
What two materials are needed for the balloon investigation?
Three balloons of different shapes and sizes and a science notebook.
Page 3, Inflating Balloons Activity
What phenomenon does the article ask students to investigate?
Movie theater popcorn can be smelled outside the concession stand.
Page 4, Phenomenon Introduction
What are two examples of matter that can be seen and touched?
Rocks and water.
Page 3, first paragraph
How are particles arranged in a solid?
They are closely packed together.
Page 3, Matter All Around
What is a substance?
A material that makes up matter.
Page 3, Matter All Around/Vocabulary
What should students add to their balloon models?
Air particles.
Page 3, Investigation Steps
Where does the popcorn aroma become even stronger?
At the ticket counter inside the lobby.
Page 4, first paragraph
What is an example of matter that cannot be seen?
The air we breathe.
Page 3, first paragraph
What two things are set, or fixed, in a solid?
Shape and volume.
Page 3, Matter All Around
What is a particle?
The smallest unit of matter.
Page 3, The Smallest Units of Matter/Vocabulary
What famous hot air balloon festival is mentioned?
The International Balloon Fiesta.
Page 4, Hot Air Balloons
What happens when employees open the popcorn bin?
A fresh wave of the smell fills the air.
Page 4, second paragraph
What are the smallest units of matter called?
Particles
Page 3, first paragraph
How are liquid particles different from solid particles?
Liquid particles are not as compact and can slide past one another.
Page 3, Matter All Around
Is melted butter a solid or a liquid according to the article?
A liquid.
Page 3, Matter All Around
Which is lighter: hot air or cold air?
Hot air.
Page 4, Hot Air Balloons
What happens to the buttery smell after people eat their popcorn?
It becomes less observable.
Page 4, fourth paragraph
What does the word subdivided mean in the article?
Separated or divided into smaller parts.
Page 3, first paragraph
How are gas particles arranged?
They are farther apart.
Page 3, Matter All Around
Is ice classified as a solid or liquid in the article?
A solid.
Page 3, Matter All Around
How do particles in hot air compare with particles in cold air?
They are more spread out.
Page 4, Hot Air Balloons
What evidence from the article shows that a smell can spread through the air?
People can smell the popcorn outside the entrance and several feet away from the snack area.
Page 4, first and second paragraphs