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Scientific Experiments
Test Description: Variables and Scientific Method
Instructions: Answer all questions to get your test result.
1) Justin usually blows his nose with Kleenex brand tissues. His snot keeps leaking through the tissue. He wants to see if there is a better brand. What is the dependent variable in his experiment?
A
Kleenex
B
amount of snot the tissue can hold
C
brand of tissue
D
Justin
2) Mr. McNice wanted to see how different types of music affected students heart rate. What is the independent variable in his experiment?
A
type of music
B
heart rate
C
students
D
Mr. McNice
3) Nick wanted to see how high an ice cube would float in different temperatures of water. What is the independent variable?
A
height of the ice cubes
B
amount of water
C
size of the ice cubes
D
temperature of water
4) Tiffany was investigating to see how fast it took Hayden to react to different sounds. Identify the dependent variable.
A
Tiffany
B
playing the trumpet sound over and over
C
Hayden's reaction time
D
different sounds
5) A(n) ______ variable is something that should stay the same throughout the entire experiment.
A
controlled
B
independent
C
staysame
D
dependent
6) A(n) _____ variable is the 1 thing that is changed or manipulated by the scientists
A
variable
B
dependent
C
independent
D
controlled
7) _____ data is collected when you use your senses.
A
Quantitative
B
Qualitative
C
Quantium
D
Variable
8) Which of the following is considered an inference?
A
The ground is wet, so it must have rained
B
The flower is red
C
If I increase my study time by 10 minutes, then I will make a higher grade on the science test
D
Tomorrow it will snow
9) Which of the following is an observation?
A
Tomorrow it will snow
B
If I increase my study time by 10 minutes, then I will make a higher grade on the science test
C
The flower is red
D
The ground is wet, so it must have rained
10) Which of the following is an example of a hypothesis?
A
The flower is red
B
Tomorrow it will snow
C
The ground is wet, so it must have snowed
D
If I increase my study time by 10 minutes, then I will make a higher grade on the science test
11) Which of the following is an example of a prediction?
A
The ground is wet, so it must have rained
B
Tomorrow it will snow
C
The flower is red
D
If I increase my study time by 10 minutes, then I will make a higher grade on the science test
*select an answer for all questions
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