What would be the dependent variable?

Temperature at which the water freezes

A student conducted an investigation of soil texture. Which question is asked during inquiry?

Does the soil feel grainy and coarse or smooth and silky?

What would be the independent (manipulated) variable?

Amount of antifreeze added to the water

Which procedure should she use to test her hypothesis?

Sort through trash and collect data on what can be recycled

What is the levels of independent variable?

50 mL, 100 mL, 150 mL, 200 mL, 250 mL

The student wants to make sure his results are reliable. What should he do?

Repeat the experiment several times and average the results

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Scientific Method Review

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Questions 20

Answers

1
In an experiment to test this hypothesis which of the following will be the dependent variable?
Temperature of water
Freezing point of water
Amount of water
Amount of sugar
2
What is the dependent variable?
The bucket used to collect soil
Position of soil removal
Type of fossil discovered
Amount of soil removed
3
What would be the dependent variable?
Amount of water put into a container
Amount of antifreeze added to the water
Type of thermometer used to measure the freezing point
Temperature at which the water freezes
4
How many repeated trials were shown?
2
3
1
4
5
Which of the following was NOT a constant in this experiment?
Amount of water
Length of time measured
Type of pots
Type of soil
6
A well-tested concept that explains many observations is a –
Model
Controlled Experiement
Scientific Theory
Variable
7
In an experiment to test this hypothesis, the independent variable will be the –
amount of soil eroded
area of land
slope of land
volume of rain
8
Which pot was used as the control?
Pot #2
Pot #1
Pot # 4
Pot # 3
9
A student conducted an investigation of soil texture. Which question is asked during inquiry?
Does the soil contain nitrogen, sulfur, or phosphorus?
At what rate did the soil form from the bedrock below?
Does the soil feel grainy and coarse or smooth and silky?
How fast does soil develop?
10
Which of the following is NOT a constant?
Location of soil removed
same horizontal location
none of these choices
amount of soil removed
11
What would be the independent (manipulated) variable?
Type of thermometer used to measure the freezing point
Amount of antifreeze added to the water
Amount of water put into a container
Temperature at which the water freezes
12
What is the independent variable?
Type of fossil discovered
Position of soil removal
Amount of soil removed
The bucket used to collect soil
13
What is the dependent variable?
height of the plant
potting soil
type of plant
amount of water
14
Which scientific skill is a student using when he touches soil to determine its texture?
Drawing a Conclusion
Making an observation
Making an inference
Posing a question
15
What is the independent variable?
types of seeds
amount of water
types of pots
growth of the plant
16
Which procedure should she use to test her hypothesis?
Develop a poster describing all items that can be recycled
Sort through trash and collect data on what can be recycled
Collect data on total number of items thrown into the trash
List all of the materials that cannot be recycled
17
What is the levels of independent variable?
100 mL, 200 mL, 250 mL
50 mL, 100 mL
200 mL, 250 mL
50 mL, 100 mL, 150 mL, 200 mL, 250 mL
18
What is number of repeated trials?
3
4
5
2
19
What type of graph would be the best type of graph to use?
Diagrams
Line Graph
Circle Graph
Photograph
20
The student wants to make sure his results are reliable. What should he do?
Repeat the experiment several times and average the results
Repeat the experiment several times; use the fastest results
Repeat the experiment using mixture of coarse and fine sand
Repeat the experiment using mixture of gravel and fine sand

Scientific Method Review Flashcards | StudBud