Scientific Method
Chemistry and Life
Characteristics of Life & Carbon
Photosynthesis
Random
100

Which of the following would be considered quantitative data?

a) color

b) growth in centimeters

c) smell

d) texture

e) all of the above

b) growth in centimeters

100

The smallest unit of matter.

Atom

100

The basic unit of life.

Cell

100

The green pigment in plants that captures sunlight.

Chlorophyll

100

 Tool that uses light and lenses to magnify small objects, allowing us to see cells and some organelles.

Microscope

200

The variable that is deliberately changed by the researcher in an experiment.

Independent Variable

200

A group of atoms bonded together.

Molecule

200

Non-living parts of an environment such as sunlight, temperature, and water.

Abiotic factors

200

These tiny openings on a leaf allow gases like CO₂ and O₂ to move in and out.

Stomata

200

After trees take COfrom the atmosphere, what are two fates of carbon in the tree.

Glucose  (stored as a starch for energy) or

Biomass

300

A testable explanation for an observation.

Hypothesis

300

Photosynthesis and cellular respiration are both examples of these.

Chemical Reactions

300

This describes the variety of life in an ecosystem.

Biodiversity

300

The vascular tissue responsible for transporting water and dissolved minerals from the roots to the stems and leaves, while also providing mechanical support to the plant.

Xylem

300
The greenhouse gas that contributes most to heating of earth's atmosphere.

Carbon dioxide

400

The type of graph best used for showing change over time.

Line graph

400

This scientific law states that matter is not created or destroyed in a reaction.

Law of Conservation of Mass

400

The process by which carbon moves from the atmosphere to producers.

Photosynthesis

400

At night or in the winter, trees rely on this process to get energy.

Cellular Respiration

400

What is the ecosystem service that trees provide by removing carbon dioxide from the atmosphere called (the answer is not photosynthesis)?

Carbon sequestration

500

Identify the independent and dependent variables given the following hypothesis, "If plants are exposed to more sunlight, then they will produce more oxygen."

Independent variable

Sunlight exposure (amount of sunlight)


Dependent variable:

Amount of oxygen produced



500

In cellular respiration, glucose and oxygen are turned into these products.

What are carbon dioxide, water, and energy (ATP)?

500

Name three processes that move carbon through earth's systems.

Photosynthesis,

Cellular Respiration,

Fossil Fuel Combustion,

Decomposition,

Consumption (eating),

Decay,

Fossil fuel creation, etc.

500

Write the balanced chemical equation for photosynthesis.

6CO2 + 6H2O --> C6H12O+ 6O2

500
Describe at least two ways to spot a misleading graph.

1. Distorting the scale (y or x axis), for example not starting at 0

2. Cherry picking data to hide important data points leaving out relevant data

3. Hiding the significance of what is being presented

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