True or False: Always read all of the directions before beginning an experiment.
True
100
"You are wearing red shoes" is what type of observation.
qualitative observation
100
How many dependent variables are there in a good experiment?
1
100
If a plant is getting plenty of sunlight, but it is not growing at all, what part of the plant do you think might be having a problem?
Leaves
100
What is the function of the roots?
Absorbs water and nutrients from the soil.
200
What do you do when glass breaks in the lab?
Tell the teacher immediately and let her clean it up.
200
"That woman is only wearing one shoe" is what kind of an observation?
quantitative observation
200
Name the dependent variable:
You want to know the effect of ice cream flavor on energy levels of children.
The energy levels of the children
200
How many molecules of CO2 does a plant need to make one molecule of glucose?
6
200
When pollen lands on a flower, what 3 parts of the flower does it enter to start becoming a seed?
It lands on the stigma, travels down the style (through the pollen tubes), and then enters the ovary.
300
During a lab, your friend starts eating a cookie. Which safety rule does this break?
No eating in the lab.
300
Observation or inference:
Your mom is a doctor, so she must have gone to college.
Inference
300
Name the independent variable:
You want to know which will grow taller: a tomato plant in a pot or a tomato plant in the ground.
Where the plant grows: a pot or the ground.
300
What two things do plant produce during photosynthesis?
glucose and oxygen
300
The part of a plant that produces pollen is called:
the anther
400
A student spills a beaker of what seems to be water during a lab. You run across the room to get Miss Rainville's help while your friend cleans up the mess.
Name 2 rules that were broken here.
No running in the lab, and always tell the teacher when something is spilled, so she can clean it up.
400
Observation or Inference:
My dog is hungry, since he keeps begging at the table.
Inference
400
Create a control group for the following experiment:
You want to know if Gatorade affects the height of rose bushes.
The control group would be a rose bush receiving water.
400
What provides the energy for photosynthesis?
Sunlight
400
What do the petals do for the plant?
Attract pollinators because of the bright colors.
500
What are two safety rules that have to do with animals?
Never take an animal out of its cage. Never touch an animal in class without asking the teacher's permission. Never ope a cage/tank without the teacher's permission.
500
What is the definition of an "Inference"
Using prior knowledge and observations to make an assumption.
500
How many controlled variables are there usually in an experiment?
It depends on the experiment. There could be a few, or there could be over a hundred!
500
What would happen to the levels of CO2 in the air if the plants in a greenhouse were getting plenty of water, sunlight, and CO2.
The levels of CO2 would go down, because the plants would be turning it into oxygen through photosynthesis.
500
Do root cells contain chloroplasts? Why or why not?
No, because roots don't perform photosynthesis (because they never see the sun).