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1st Term Exam Review Pt. 1 - 7th Grade - 2010
Test Description: Scientific investigation practice questions
Instructions: Answer all questions to get your test result.
1) The basic unit of length in the metric system is the
A
kilogram
B
meter
C
mile
D
foot
2) The kilogram is the basic metric unit of
A
mass
B
volume
C
length
D
weight
3) Which tool would be most helpful in conducting an investigation on how lizards control body temperature in hot deserts?
A
thermometer
B
ruler
C
tape recorder
D
microscope
4) The SI unit of time is the
A
hour
B
second
C
day
D
minute
5) If a shoe box measures 6 cm high, 7 cm wide, and 20 cm long, what is its volume?
A
840 cm3
B
420 cm
C
420 cm3
D
840 cm
6) What property of an object or substance are the units liter, milliliter, and cubic centimeter used to measure?
A
volume
B
mass
C
weight
D
length
7) During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the
A
responding variable
B
operational variable
C
dependent variable
D
manipulated variable
8) A possible explanation for a set of observations or answer to a scientific question is called a(n)
A
prediction
B
law
C
hypothesis
D
theory
9) The volume of liquid in the graduated cylinder before adding the cotton pieces was 75 mL and 90 mL after. Volume of the cotton is?
A
13 mL
B
15 mL
C
90 mL
D
75 mL
10) Jill wants to test the effectiveness of sunscreens with different SPFs. She decides to test sunscreens with an SPF of 8, 15, and 30. Which can she use as a control?
A
lotion with SPF of 4
B
an umbrella that provides shade
C
a hat and a long sleeved shirt
D
lotion which provides no SPF (sun) protection
*select an answer for all questions
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