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Scientific Investigation
Test Description: 6.1 Review
Instructions: Answer all questions to get your test result.
1) Which part of the investigation is changed or manipulated by the scientist.
A
control
B
constant
C
dependent variable
D
independent variable
2) Which part of the investigation is kept the same and doesn't change throughout the experiment?
A
dependent variable
B
control
C
independent variable
D
constant
3) Which part of the investigation is measured and results are recorded?
A
constant
B
control
C
dependent variable
D
independent variable
4) Which part of the investigation is a comparison to the independent variable?
A
dependent variable
B
independent variable
C
constant
D
control
5) Which hypothesis is written correctly?
A
If more salt is added to water, then the higher the egg will float.
B
I believe adding salt to water allows an egg to float.
C
If the egg floats, then the water is salty.
D
I think the egg will float in salt water.
6) Choose the IV: One egg was placed in water without salt, one was placed in water with 2 tbsp of salt, and one was placed in water with 4 tbsp of salt. Make observations to see if the egg floats or not.
A
amount of salt
B
egg
C
water without salt
D
amount of water in each container
7) Choose the DV: Eggs were placed in containers with and without salt to determine how high they would float. What's the DV?
A
amount of salt in each container
B
amount of water in each container
C
height the eggs floated
D
number of eggs
8) Find the IV: If we increase the temperature of water, then the tablet will dissolve faster.
A
rate that tablet dissolves
B
increasing the temperate of water
C
amount of time tablet remains in water
D
type of tablet
9) What's the DV: Does the height of a ramp affect the speed of a toy car?
A
height of ramp
B
speed of toy car
C
type of ramp
D
distance car travels
10) Which describes quantitative observation?
A
observations made involving exact quantities and measurements are made
B
inferring what happened
C
observations made using your senses to describe
*select an answer for all questions
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