Iqwest Ic1 Chemistry

If a substance is made up of only one type of atom, the substance must be which of the following?

• Gas

• Solid

• Element

• Mixture

Which is NOT a characteristic of all matter?

• All matter has mass

• All matter takes up space

• All matter is made of atoms

• All matter has color

Tags

NGSS.MS-PS1-5

Which of the following characteristics will NOT help you tell whether two solids are the same or are different substances?

• Color

• Hardness

• Shape

• Melting Poinnt

Your class is studying metallic elements. Your teacher gives you two metal strips. You need to determine if they are the same element or not. What are three different properties that would help you determine whether the strips are the same?

• Color, Hardness, Shape

• Color, Hardness, Melting Point

• Size, Color, Hardness

• Shape, Size, Mass

Which of the following pictures shows gas in a hot room?

• 
• 

Tags

NGSS.MS-PS1-4

Explain how temperature and movement of the gas molecules are related.

• The hotter the temperature, the faster the molecules move.

• The hotter the temperature, the slower the molecules move.

• The Colder the temperature, the faster the molecules move.

Tags

NGSS.MS-PS1-4

Explain what would happen if the gas in a hot room was placed in a cold room. How would the model change?

• The particles would slow down and get closer together in a cold room.

• The particles would spread out more.

• The particles would speed up in a cold room.

Tags

NGSS.MS-PS1-4

Which of the following is a true statement?

• A water molecule in the gas phase is smaller than a water molecule in the solid phase.

• A water molecule in the gas phase is lighter than a water molecule in the solid phase.

• A water molecule in the gas phase is larger than a water molecule in the solid phase.

• A water molecule in the gas phase is the same as a water molecule in the solid phase.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A pot of water is placed on a hot stove. Small bubbles begin to appear at the bottom of the pot. The bubbles rise to the surface of the water and seem to pop or disappear. What are the bubbles made of?

• Air

• Gaseous Oxygen and Hydrogen

• Gaseous Water

• None of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-1

NGSS.MS-PS1-2

The pot of water on the hot stove begins to boil rapidly. A glass lid is placed on the pot and water droplets begin forming on the inside of the lid. What best describes what happened?

• Steam cools and water molecules moved closer together

• Water from outside leaked into the pot

• Hydrogen and oxygen combined to form water

• Steam combined with the air to wet the inside of the lid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5