Show:
Photosynthesis
Respiration
Independent Variables
Dependent Variables
Controlled Variables
100
Plants take this in through their roots.
What is water?
100
This is the molecule that is broken down to release energy during cellular respiration.
What is Glucose?
100
This is the independent variable for this experimental question "Will adding fertilizer make a plant grow faster?"
What is adding fertilizer?
100
When seeing if fertilizer helps a plant grow faster, this is the dependent variable.
What is measuring how fast the plant grows?
100
This is an example of a controlled variable when testing whether fertilizer helps a plant grow faster. a. the amount of fertilizer b. the rate that the plant grows c. using the same type of plant
What is c. using the same type of plant?
200
Plants take carbon dioxide through theses hole in their leaves.
What is the stomata?
200
This is the gas that is needed to react with glucose.
What is oxygen?
200
The independent variable for the experimental question "If Ms. Bizaoui yells at her student, she thinks they might pay more attention" is this.
What is Ms. Bizaoui yelling at her students?
200
This is the dependent variable in the bubbling plants lab.
What is the rate of photosynthesis (or rate of bubbles)?
200
This was a controlled variable in the bubbling plants lab.
What is using the same amount of baking soda, making sure no one bumped or tapped the test tube.
300
This is the sugar molecule that a plant makes during photosynthesis.
What is glucose?
300
These are the waste products of cellular respiration.
What are carbon dioxide and water?
300
The independent variable from the bubbling plants lab was this.
What is the light intensity caused by changing the plant's distance from the light?
300
Ms. Bizaoui wanted to see how high an ice cube would float in different temperatures of water. The dependent variable is ......
What is how high the ice cube floats?
300
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. This is one controlled variable. a. type of tissue b. amount of tissue c. amount of snot the tissue can hold
What is the amount of tissue?
400
This is the place in the cell where respiration occurs.
What is the mitochondria?
400
Ms. Bizaoui decided to see if she paid her students $5 for getting an "A" on next weeks text, if they would do better, the independent variable is ...
What is giving students money?
400
Leia was investigating how fast it took Penelope to react to different sounds. This is the dependent variable.
What is the speed in which Penelope reacted?
400
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. This is his control group.
What are people still using kleenex brand tissues?
500
The role of the sun in the process of photosynthesis is called this.
What is a catalyst?
500
This is the path through the body that glucose goes through before it can get to the cell for cellular respiration.
What is food is eaten, it goes to the stomach, then the small intestine and then the blood delivers the food to the cells.
500
Ms. Bizaoui wanted to see how high an ice cube would float in different temperatures of water. The independent variable in this experiment is.....
What is the different temperatures of water?
500
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. This is the dependent variable.
What is how much snot the tissue can hold.
500
Mr. McNiece wanted to see how different types of music affected students' pulse rates. She played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. A controlled variable is this. a. amount of time music is played b. types of music c. using a different student for each music type.
What is the amount of time music is played?