Which is NOT true of the hypothesis?

It must state at least one controlled variable

Why should you always repeat an experiment?

The get an average for your results

Independent variable: "number of wings" & Dependent variable : "distance". Suitable Hypothesis?

The more wings the further a rocket will fly

If the hypothesis was "Plants need water to grow", which would not be a controlled variable?

The amount of water given to the plant

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Scientific Method

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Scientific method used to introduce the basics of Biology.

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Questions 10

Answers

1
Which is NOT true of the hypothesis?
It is a statement
It is my opinion of what will happen
It must state at least one controlled variable
It must contain the dependent & independent variables
2
If the hypothesis was "Exercise increases muscle mass" the dependent variable would be
The weight of the muscle
How long the exercise went for
The type os muscle measured
The type of exercise
3
The definition of the independent variable is
The thing that is measured
How many times the experiment is repeated
The thing that changes
The thing that is controlled
4
If you were graphing the height of a plant over time, the label of the Y axis would be:
Time (days)
Height (m)
Height (cm)
Time (days)
5
Why should you always repeat an experiment?
To make the experiment fair
To make the experiment valid
To get practice doing investigations
The get an average for your results
6
Independent variable: "number of wings" & Dependent variable : "distance". Suitable Hypothesis?
The more wings the higher a rocket will go
The less wings the faster the rocket will go
The more wings the straighter the rocket will go
The more wings the further a rocket will fly
7
Which type of graph would you use for comparing the sensitivity of different parts of the body?
Bar graph
Scatter plot
Line graph
Pie chart
8
If the hypothesis was "Plants need water to grow", which would not be a controlled variable?
The type of plant used
What time of day the plant's height was measured
The amount of water given to the plant
The amount of light the plant is exposed to
9
If the hypothesis was "Mice fed protein will live the longest", the control experiment would be
Mice fed carbohydrates
Mice fed fats & oils
Mice fed protein
Mice given no food
10
If the hypothesis was "Plants need light to grow" then the independent variable would be
Height of the plant
Light
Sunlight
Age of the plant

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