Chemical Interactions Review

Which is an example of an atom- the smallest unit of matter

• Ne - Neon

• H20 - Water

• NaCl - Salt

• C02 - Carbon Dioxide

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms do you see?

Tags

NGSS.MS-PS1-1

How many Carbon atoms do you see?

Tags

NGSS.MS-PS1-1

How many oxygen atoms do you see?

Tags

NGSS.MS-PS1-1

Imagine a cup of water sitting on your table all day. How is the energy being transferred between the water and the air?

• Energy is transferring from the air to the water

• Energy is transferring back and forth between the water and the air

• There is no transfer of energy happening

• Energy is transferring from the water to the air

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Is energy released or absorbed as liquid - water changes phases into a gas - Water Vapor?

• released

• absorbed

Tags

NGSS.MS-PS1-4

Is energy released or absorbed as gas- water vapor changes phases into condensation - liquid?

• released

• absorbed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Check all the examples of a Chemical Element below

• Fe

• Cl

• NaCl

• CO

If the kinetic energy of solid ice increases, it will

• freeze

• melt

• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

If the kinetic energy of liquid water decreases, it will

• melt

• freeze

• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5