OpenSciEd 8.4

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-PS1-2

NGSS.MS-PS1-5

When electricity was ran through water, what gasses were released?

• water vapor and oxygen

• hydrogen and sodium

• oxygen and hydrogen

• water vapor and hydrogen

Tags

NGSS.MS-PS1-5

What is this in molecular formula?

• 3water

• 3H₂O 

• H3O3

• 3O6H

Tags

NGSS.MS-PS1-1

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

• Carbon dioxide bubbles

• oxygen gas

• hydrogen gas

• water vapor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter cannot be _____ or ______.

• created, destroyed

• changed, destroyed

• energy, changed

• flipped, flopped

Tags

NGSS.MS-PS1-5

What does COMPLEX CARBOHYDRATES (starch) turn into when it is chemically broken apart?

• Glucose

• Fatty Acids

• Amino Acids

• Fiber

Tags

NGSS.MS-LS1-7

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

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

What's the difference between starch and glucose?

• Starch is a type of protein and glucose is a sugar

• Starch is made up of many glucose molecules bonded together

• Glucose is made up of many starch molecules bonded together

• Glucose is a type of protein and starch is a sugar