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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
foot
B
meter
C
mile
D
kilogram
2) The kilogram is the basic metric unit of
A
length
B
weight
C
mass
D
volume
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
microscope
D
tape recorder
4) The SI unit of time is the
A
hour
B
minute
C
second
D
day
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 cm3
C
420 cm
D
840 cm
6) What property of an object or substance are the units liter, milliliter, and cubic centimeter used to measure?
A
weight
B
volume
C
length
D
mass
7) During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the
A
responding variable
B
manipulated variable
C
dependent variable
D
operational variable
8) A possible explanation for a set of observations or answer to a scientific question is called a(n)
A
theory
B
law
C
prediction
D
hypothesis
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
75 mL
B
90 mL
C
13 mL
D
15 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
a hat and a long sleeved shirt
B
lotion with SPF of 4
C
lotion which provides no SPF (sun) protection
D
an umbrella that provides shade
*select an answer for all questions
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