1st Term Exam Review Pt. 1 - 7th Grade - 2010 Question Preview (ID: 4538)
Scientific Investigation Practice Questions.
TEACHERS: click here for quick copy question ID numbers.
The basic unit of length in the metric system is the
a) foot
b) meter
c) mile
d) kilogram
The kilogram is the basic metric unit of
a) length
b) mass
c) weight
d) volume
Which tool would be most helpful in conducting an investigation on how lizards control body temperature in hot deserts?
a) ruler
b) thermometer
c) microscope
d) tape recorder
The SI unit of time is the
a) second
b) minute
c) hour
d) day
If a shoe box measures 6 cm high, 7 cm wide, and 20 cm long, what is its volume?
a) 420 cm
b) 420 cm3
c) 840 cm3
d) 840 cm
What property of an object or substance are the units liter, milliliter, and cubic centimeter used to measure?
a) weight
b) mass
c) volume
d) length
During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the
a) manipulated variable
b) responding variable
c) operational variable
d) dependent variable
A possible explanation for a set of observations or answer to a scientific question is called a(n)
a) prediction
b) hypothesis
c) theory
d) law
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) 90 mL
b) 75 mL
c) 13 mL
d) 15 mL
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) an umbrella that provides shade
b) a hat and a long sleeved shirt
c) lotion which provides no SPF (sun) protection
d) lotion with SPF of 4
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