OpenSciEd 6.4

Matter and energy can flow into and out of a/an...

• atom

• molecule

• closed system

• open system

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

When you combine citric acid, baking soda, and water...

• Atoms randomly change into different atoms

• Hydrochloric acid is released

• Argon gas is released

• the molecules rearrange into new substances

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

If a substance is less dense than water it will...

• float

• sink

• combine with water

When energy was added to water with heat, it created...

• Carbon dioxide bubbles

• oxygen gas

• hydrogen gas

• water vapor

Tags

NGSS.MS-PS1-4

Flammability is a ______ of a substance.

• good time

• property

• character

Tags

NGSS.MS-PS1-2

Matter cannot be _____ or ______.

• created, destroyed

• changed, destroyed

• energy, changed

• flipped, flopped

Tags

NGSS.MS-PS1-5

Gas exchange is needed to supply _____________ to cells and remove __________________

• carbon dioxide; oxygen

• oxygen; food

• oxygen; carbon dioxide

• carbon dioxide; water

The air sacs that are covered with capillaries where gas exchange takes place.

• Bronchi

• Trachea

• Oxygen

• Alveoli

Tags

NGSS.MS-LS1-3

Your blood is like an Amazon delivery truck. Why?

• Blood brings food molecules and oxygen to cells and takes carbon dioxide and water away.

• Blood delivers carbon dioxide to the cells. and takes away food.

• Blood brings food molecules to the lungs and takes oxygen away from cells

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-3

What are the products in this chemical equation?

• villi and alveoli

• water, carbon dioxide, and energy

• glucose and oxygen

• blood and cells

Tags

NGSS.MS-LS1-6