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Unit 1-2 Review
Test Description: SCA REVIEW QUESTIONS
Instructions: Answer all questions to get your test result.
1) Johnathan wants to know how fertilizer affects the growth of plants. The steps below are out of order. Which of these steps did Johnathan do LAST?
A
Give the first plant no liquid fertilizer, the second plant 10 mL of liquid fertilizer, and the thir
B
Record the height and number of leaves in each plant
C
Plant identical plants in three planters that are exactly the same, and place each plant in an area
D
Plant identical plants in three planters that are exactly the same, and place each plant in an area
2) A scientist wants to carry out an experiment to learn how acid rain affects living organisms. Which of the following would be the BEST hypothesis to test for this experiment?
A
Acid rain is harmful to aquatic organisms.
B
Trout exposed to acid rain will lay fewer eggs.
C
Different factors contribute to the formation of acid rain.
D
Acid rain tends to fall in the northeastern United States.
3) The independent variable is MOST often found on which part of a graph?
A
x-axis
B
line graph
C
y-axis
D
data table
4) SI, the abbreviation for System International d\'Unites, is:
A
an Internet system of measurement which combines Internet tracking with online surveys
B
a high precision digital measurement system used for data storage in industry,
C
the complete system of units of measurement based on the number 10
D
a comprehensive computer controlled audio measurement system
5) Is the following statement an inference or an observation? - It looks like rain.
A
hypothesis
B
prediction
C
inference
D
observation
6) Josh measured the speed of an object at 25 km per hour. This is a ---
A
qualitative observation
B
quantitative observation
C
inference
D
SI Unit for length
7) Which science process skill involves using your five senses to describe what is seen, heard, felt, smelt, and tasted?
A
inferencing
B
measuring
C
predicting
D
observing
8) The boy has on a blue jacket. This is an example of ---
A
hypothesis
B
inference
C
prediction
D
observation
9) If it is cold outside, then the boy will wear a coat. This is an example of a --
A
hypothesis
B
inference
C
observation
D
prediction
10) Using what you know about measurement, what tool and unit would you use to measure the mass of a block of wood?
A
meter stick; mm
B
graduated cylinder; ml
C
triple beam balance; g
D
meter stick; cm
*select an answer for all questions
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