Energy and Matter Review

What are the two biggest sources of matter that plants gain as they grow?

• Mass

• Carbon Dioxide

• Water

• Soil

Tags

NGSS.MS-LS1-6

What is the equation for Photosynthesis?

Groups:

(a) Inputs

,

(b) Outputs

Tags

NGSS.MS-LS1-6

If von Helmont measured 1300 Joules of energy reaching this plant each minute, how much of that energy (in Joules) would be converted to leaves, roots, and other plant tissues? The answer is in J/min.

hint: this is not 1 trophic level to another, but energy within a plant

Mathematical Equivalence

ON

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Label each part of this pie chart with the molecules found in the atmosphere.

c

b

a

Water, CO₂, and other gasses

Oxygen

Nitrogen

Tags

NGSS.MS-PS1-1

Identify each statement as describing a proton (p), neutron (n), or electron (e). - Positively charged. - Negatively charged. - No charge. - Orbit the nucleus. - Determines the atom’s elemental identity. - Determines what chemical bonds the atom will form. - Along with protons, determines the atom’s mass.

Groups:

(a) Proton

,

(b) Neutron

,

(c) Electron

• Determines what chemical bonds the atom will form.

• Along with protons, determines the atom’s mass.

• Positive Charge

• Orbit Nucleus

• No Charge

• Negative Charge

• Determines the atom’s elemental identity

The image to the right shows Joseph Priestly’s experiments with mice and mint plants. a. What ancient theory did this experiment help to disprove?

What molecule did Joseph Priestly discover?

Write and identify the chemical equation for the process being conducted by the mouse.

​ What is it called?

Groups:

(a) Inputs

,

(b) Outputs

,

(c) Mouse

,

(d) Plant

• Photosynthesis

• Cellular Respiration

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Identify areas of highest potential energy and highest kinetic energy in this diagram of a coal-fired power plant.​

a

b

Potential

Kinetic

Tags

NGSS.MS-PS3-2

1.     You see an image online claiming that cell phones release radiation, and thus cause brain cancer. After a quick bit of research, you find that cell phones use an energy frequency of 800-2400 mHz, with a wavelength of about 0.3m.

The waves are too ​ (a)   ​ at that length to penetrate ​ (b)   . Waves must be shorter than ​ (c)   light in order to penetrate human tissue.

• long
• human tissue
• visible
• short
• UV
• infrared
• Microwave
• anything
• gamma rays

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4