Photosynthesis & Energy Transformations

Which of the following energy transformations takes place during digestion?

• Thermal energy → mechanical energy

• Mechanical energy → chemical energy

• Chemical energy → mechanical energy

• Solar energy → chemical energy

Tags

NGSS.MS-LS1-7

In which of the following scenarios is chemical energy being transformed into thermal energy?

• A squirrel uses the energy in seeds to build structures in its body

• A tree captures sunlight to produce the sugars it uses for food

• A fish is able to swim using the energy it gets from eating plants

• A lion’s temperature increases as it uses the energy it gets from its prey

Tags

NGSS.MS-PS3-4

Animals can move as a result of what energy conversion?

• Radiant to chemical

• Chemical to radiant

• Chemical to Mechanical

• None of the above

Tags

NGSS.MS-LS1-7

NGSS.MS-PS3-5

Energy obtained by an organism when it consumes food is -

• absorbed into the bloodstream.

• transformed into other forms of energy.

• completely used during digestion.

• passed through the body as waste.

When the energy stored in food is used by animals to create signals sent by the brain to muscles, this is an example of which of the following energy conversions?

• Chemical energy → electrical energy

• Radiant energy → thermal energy

• Mechanical energy → chemical energy

• Thermal energy → electrical energy

Which of the following organisms transforms radiant energy into chemical energy?

• Plants

• Monkeys

• Dogs

• Fungus

Tags

NGSS.MS-LS1-6

Mammals maintain a constant body temperature by converting -

• Radiant energy → thermal energy

• Chemical energy → electrical energy

• Electrical energy → mechanical energy

• Chemical energy → thermal energy

In photosynthesis, plants convert what type of energy into what other type of energy?

• Light energy into mechanical energy

• Radiant energy into chemical energy

• Chemical energy into heat energy

• Mechanical energy into light energy

Tags

NGSS.MS-LS1-6

The energy plants gain through photosynthesis is stored in-

• oxygen.

• nitrogen.

• carbon dioxide.

• glucose.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A test tube is filled with water and a green plant called elodea. When the plant is exposed to sunlight, it begins to produce bubbles. Which of the following is the most likely conclusion for the identity of the gas in the bubbles?

• oxygen.

• nitrogen.

• carbon dioxide.

• glucose.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3