WorksheetsCarbon Cycle and Yeast Lab
Total questions: 32
Worksheet time: 25mins
Carbon molecules cannot be created or destroyed
True
False
Not enough information to answer
If the plant population decreased, the amount of carbon dioxide in the atmosphere would _________.
Stay the same
Increase
Decrease
If a forest fire occurs, what will happen to most of the carbon in the forest?
It will go into the soil
It will go into the atmosphere
It will runoff into nearby streams and rivers
It will be destroyed
What kind of organism takes out the most carbon from the atmosphere?
Plants
Bacteria
Animals
Humans
How does deforestation affect the carbon cycle?
It increases the amount of carbon dioxide absorbed from the atmosphere
It decreases the amount of carbon dioxide released into the atmosphere
It decreases the amount of carbon dioxide absorbed from the atmosphere
It has no significant effect on the carbon cycle
How does deforestation affect the carbon cycle?
It increases the amount of carbon dioxide absorbed from the atmosphere
It decreases the amount of carbon dioxide released into the atmosphere
It decreases the amount of carbon dioxide absorbed from the atmosphere
It has no significant effect on the carbon cycle
How does the carbon cycle regulate the Earth's climate?
By balancing the levels of carbon dioxide in the atmosphere
By trapping heat in the atmosphere
By decreasing the levels of carbon dioxide in the atmosphere
By increasing the levels of carbon dioxide in the atmosphere
Which process in the carbon cycle involves plants absorbing carbon dioxide from the atmosphere?
Respiration
Photosynthesis
Burning fossil fuels
Erosion
What happens to the carbon stored in fossil fuels when they are burned?
The carbon is converted into oxygen gas.
The carbon is converted into water vapor.
The carbon stored in fossil fuels is released into the atmosphere as carbon dioxide gas.
The carbon is absorbed by the ground.
How does carbon get from living organisms into the sediment?
Decomposition
Respiration
Photosynthesis
Deposition
Select all of the storages of the carbon cycle
Atmosphere
Living organsisms
Clouds
Ocean
Fossil fuels
Which of the following is the biggest carbon store?
Plants
Ocean
Atmosphere
Soil
How does carbon get from underground deposits (fossil fuels) into the atmosphere?
Decomposition
Deposition
Photosynthesis
Combustion
Which gas do animals release, that plants depend on for survival?
Carbon dioxide
Oxygen
Sunlight
Water
Which of the following processes does NOT move carbon to the atmosphere?
Animal respiration (Breathing)
Volcanic eruption
Photosynthesis
Burning fossil fuels
How do plants affect the air that animals and people breathe?
Plants use oxygen from the air to make their own food
Plants release pollution into the air
Plants take in carbon dioxide and release oxygen
Plants take in oxygen and release carbon dioxide
Why does cutting down trees increase global warming?
trees soak up carbon dioxide and removing them causes more carbon to stay in the atmosphere
trees provide shade which counteracts global warming
trees absorbs the sun's energy without radiating back into the atmosphere
trees drain greenhouse gases like methane from soil
Yeast feeds on this element in order to give off CO2 gas.
sugar
vinegar
salt
Yeast is a...
bacteria
microscopic fungus
plant
animal
Which of the following temperatures would not be recommended for yeast? select all that apply
cold
boiling
warm
What does yeast feed on to become "alive/activated"?
water and sugar or flour
water and salt
sugar and salt
Mcdonalds
What gas is released when yeast uses sugars for energy?
Carbon Dioxide
Oxygen
Nitrogen
Helium
What happens to yeast population if you inrease the sugar in your test tube?
yeast decreases
yeast remains the same
yeast increases
yeast will die
