Unit 3 Lesson 1 EE 1-2 Class Activity

What can a system be in the context of the text?

• A cell

• A solar system

• All of the above

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-LS1-3

What are inputs in a system?

• Things entering the system

• Things leaving the system

• Things that interact with each other

• None of the above

How does water cycle through smaller systems on Earth?

• It evaporates and forms clouds

• It becomes rain and returns to Earth's surface

• It condenses in the atmosphere

• All of the above

Tags

NGSS.MS-ESS2-4

What happens when matter and energy cycle through Earth's systems?

• They are destroyed

• They are conserved

• They are transformed

• They disappear

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

What happens to matter when an object undergoes a chemical change?

• It is destroyed

• It is transformed

• It is redistributed

• It disappears

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are some examples of physical properties?

• Density, melting point, boiling point

• Flammability, reactivity

• Texture, odor, solubility, toxicity

• All of the above

True or False? When you burn a piece of wood, matter and energy are destroyed.

• True

• False

Tags

NGSS.MS-PS1-5

True or False? Identifying substances based on a single property is usually enough.

• True

• False

Match the following words with their definitions.

• A substance that forms in a ch. reaction

• Chemical reaction

• The original

  substance in a ch. reaction

• product

• Atoms rearrange to form new substances

• reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A characteristic that you can​ observe directly or measure with a tool is called a ​ (a)  

• Physical Property
• Volume
• Investigation
• Physical Change
• Mass
• Matter

Tags

NGSS.MS-PS1-2