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29 Cards in this Set
- Front
- Back
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What is the formula for Methane? |
CH4 |
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What is the formula for Glucose? |
C6H12O6 |
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What is the formula for water? |
H20 |
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What is the formula for Nitrogen dioxide? |
NO2 |
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What does law of conservation of mass mean? |
matter cannot be created or destroyed only changed from 1 form to another |
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Which side of a chemical equation are the products & which side are the reactants? |
Reactant on left -------> products on the right |
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What is a good reason for scientist to accept a scientific theory? |
research & observations support the theory |
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How many things can you have different in a experiment? |
one |
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What is the difference between on observation & an inference?(Give an example of each) |
observation: something you can see/information you gather using your 5 senses
inference: predictions based on observations |
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What is the thing being tested in an experiment? |
independent variable |
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Why should you have a control group? |
to use as a comparison |
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How are animal & plant cells similar? |
They have a ER, cytoplasm,mitochondria |
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How are animal & plant cells different? |
plant cell- cell wall, large vacuole, chloroplasts
animal cell- small vacuole |
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What is the function of the mitochondria? |
makes energy for the cell |
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What is the function of the nucleus? |
it controls cell activities |
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What is the function of the cell wall? |
provides structure & support |
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How do you calculate speed? |
speed = distance/time |
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What tools are used to find speed? |
meter stick & stopwatch |
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Know the organelles in the animal cell and label them. |
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What are the properties of an acid? |
turns litmus paper red sour below 7 on Ph scale reacts with metals |
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What are the properties of an base? |
bitter above 7 on Ph scale turn litmus paper blue |
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What does Qualitative mean? |
expressed in words |
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What does Quanltitative mean? |
expressed in data/numbers |
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How does the structure of nerve cell & blood cells help them complete their job in your body? |
blood cells- round so they can easily have through the veins & anteries
nerve cells- long & branched for transporting info to the brain |
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Draw a graph of an object decreasing speed/increasing speed/ moving at steady rate of speed. |
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List the complexity of the levels of organization in living things. |
cell ----> tissue -----> organ -----> organ system ---> organism |
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What are the renewable resources? |
hydro-power solar geothermal wind biomass
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What are the non-renewable resources? |
coal oil nuclear natural gas |
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Are all cells the same size & shape? |
No they are all different shapes & size |
