You should do this immediately if there is an accident or emergency in the lab?
What is notify the instructor.
100
Guessing, predicting or drawing a conclusion about a object or future event based upon observations.
What is INFERENCE
100
The variable that changes as a result of a change to the variable that the scientist is testing.
What is DEPENDENT VARIABLE
100
If I want to clean my aquarium, gravel, filter, or decorations, I should use
What is WATER ONLY
100
pH IS the measurement of
What is ACIDITY or ALKILINTY
200
If you do not understand a direction or part of a lab procedure, you should...
What is ask the instructor.
200
“The use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated through this process."
What is SCIENCE
200
Factors (a.k.a. variables) that are kept the same between different experimental groups.
What is CONSTANTS
200
You should not place the aquarium in direct sunlight because it will cause what two problems
What is ALGAE and OVER-HEATING
200
The classroom aquarium has a ________ filtration system. This is a system in which the water in the tank is re-circulated through filters and reused.
What is CLOSED
300
When you finish working with chemicals, biological specimens, and other lab substances, always
What is wash your hands thoroughly with soap and water.
300
The variable that is changed by the scientist and usually causes a change in other variables.
What is INDEPENDENT VARIABLE
300
It’s a group that is NOT being tested in which everything else is compared to.
What is CONTROL GROUP
300
The chemical is in tap water that can harm fish is 1.____________ and can be removed by adding 2.________________ to the tap water before adding fish.
What is 1. Chlorine. 2. Water conditioner/De-Chlorinator
300
The three types of filters in an aquarium are:
What is Biological, mechanical, and chemical
400
If an acid is splashed on your skin, wash at once with
What is plenty of water.
400
an educated guess proposed as an answer to specific questions or problems.
What is HYPOTHESIS
400
These group(s) are being tested and will have one variable different from other groups: the independent variable.
What is EXPERIMENTAL GROUPS
400
How often should you feed your fish
What is Feed your fish 1-2-3 times a day. Only enough food that they can eat in 2 minutes.
400
46. “The conversion of nitrogenous wastes to less toxic nitrogenous compounds by the action of bacteria living on a suitable substrate such as a gravel bed” describes what kind of filtration?
What is BIOLOGICAL
500
TRUE or FALSE: Return all unused chemicals, food, or aquarium additives to their original containers.
What is FALSE
500
Using the five senses to learn about an object or event, or to collect information about an object.
What is OBSERVATION
500
Scientific explanation of an observed phenomenon. Actually explain why things are the way they are. It summarizes a hypothesis or group of hypotheses that have been supported with repeated testing. It is valid as long as there is no evidence to dispute it.
What is SCIENTIFIC THEORY
500
1. How often should do a partial water change be done?
2. How much should be changed
What is 1. 2-4 weeks 2. 10-30 percent
500
The harmful toxin is produced for the decomposition of uneaten food and fish waste