2.1 Photosynthesis

In this picture, which ones are the atoms?

• C, O, and H.

• the orange, green and blue spheres

• CO2 and H2O

• carbon dioxide and water

Tags

NGSS.MS-PS1-1

In this picture, which ones are the elements?

• C, O, and H.

• the orange, green and blue spheres

• CO2 and H2O

• carbon dioxide and water

Tags

NGSS.MS-PS1-1

In this picture, which ones are the compounds?

• C, O, and H.

• the orange, green and blue spheres

• CO2 and H2O

• carbon dioxide and water

Tags

NGSS.MS-PS1-1

In this picture, which ones are the chemical formulas?

• C, O, and H.

• the orange, green and blue spheres

• CO2 and H2O

• carbon dioxide and water

Tags

NGSS.MS-PS1-1

How are hydrogen atoms rearranged in this chemical reaction?

• the atoms disappear and are replaced by new ones

• The atoms are rearranged to form different molecules

• the atoms split into individual protons and neutrons.

• the atoms stay in the same arrangement but change their charge.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the input of this reaction?

• hydrogen peroxide

• water

• oxygen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the output(s) of this reaction
?

• water and oxygen

• hydrogen peroxide and water

• oxygen and hydrogen peroxide

• just hydrogen peroxide

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a chloroplast?

• An organelle composed of numerous membranes that are used to convert solar energy into chemical energy; it contains chlorophyll.

• disc-shaped sacs which contain pigments

• the area inside the chloroplast.

• the area inside the thylakoid.

• this is where photosynthesis occurs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is a thylakoid?

• An organelle composed of numerous membranes that are used to convert solar energy into chemical energy; it contains chlorophyll.

• disc-shaped sacs which contain pigments

• the area inside the chloroplast.

• the area inside the thylakoid.

• this is where photosynthesis occurs

Tags

NGSS.MS-LS1-6

What is a stroma?

• An organelle composed of numerous membranes that are used to convert solar energy into chemical energy; it contains chlorophyll.

• disc-shaped sacs which contain pigments

• the area inside the chloroplast.

• the area inside the thylakoid.

• this is where photosynthesis occurs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7