Unit 6 Energy

What types of organisms have cells with very large vacuoles?

• Animals

• Bacteria

• Fungi

• Plants

The primary function of a chloroplast is to —

• convert food into energy a cell can use

• control the functions of a cell and control genetic traits

• convert radiant energy into chemical energy through photosynthesis

• store water and nutrients

Tags

NGSS.MS-LS1-6

The cell organelle responsible for providing energy for cell processes in plant and animal cells is the —

• ribosome

• chloroplast

• mitochondrion

• nucleus

Tags

NGSS.MS-LS1-6

Which structures perform similar functions in plant and animal cells?

• mitochondria, nucleus, cell membrane

• vacuole, chloroplast, cell wall

• cell membrane, cell wall, nucleus

• ribosome, cell membrane, chloroplast

Tags

NGSS.MS-LS1-2

Which of these can be found in a plant cell but not in an animal cell?

• chromosome

• nucleus

• chloroplast

• cell membrane

What energy transformation occurs as the rabbit eats the grass?

• Chemical energy in the grass is transformed into thermal energy in the rabbit.

• Electrical energy in the grass is transformed into thermal energy in the rabbit.

• Mechanical energy in the rabbit is transformed into electrical energy in the grass.

• Thermal energy in the rabbit is transformed into mechanical energy in the grass.

Plants get their energy from the Sun through photosynthesis. This energy is trapped in the bonds of the complex compounds the plants create from carbon dioxide and water. The plants are then eaten by animals, and the energy is used for heat and movement. Which of the following is an energy transfer that is conducted inside an animal in the above scenario?

• radiant energy to mechanical energy

• radiant energy to chemical energy

• chemical energy to mechanical energy

• chemical energy to radiant energy

Tags

NGSS.MS-LS1-7

Reptiles do not have the ability to create their own heat, and instead, sit in the sun for long periods of time in the mornings to warm up. Mammals and birds, on the other hand, have the ability to create their own heat. Where do mammals and birds get the energy for this heat?

• from oxygen they breath in

• from sunlight the animals absorb

• from body fat that keeps all heat trapped in the body

• from food the animals eat

Tags

NGSS.MS-LS1-7

Energy stored in foods is _____________; digested food releases ___________ energy for movement and ________________ energy as heat.

• chemical, mechanical, thermal

• radiant, thermal, mechanical

• heat, mechanical, thermal

• mechanical, thermal, chemical

Tags

NGSS.MS-LS1-7

What kind of energy is stored in food?

• thermal

• chemical

• mechanical

• electrical

Tags

NGSS.MS-LS1-7