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Sci And Tech Ch 3 Review
Test Description: 6th grade Science
Instructions: Answer all questions to get your test result.
1) The metric system is based on the number _______
A
1
B
10
C
100
D
12
2) If scientists cannot obtain exact numbers, they rely on _____________
A
calculation
B
assumptions
C
estimates
D
measurements
3) What is the first thing you should do if an accident occurs in your classroom?
A
Notify the teacher
B
Start first aid treatment
C
Call 911 on your cell phone
D
Run out of the room screaming.
4) ______________________ is a measure of the amount of gravity acting on an object?
A
volume
B
density
C
mass
D
weight
5) If your measuring an object and you get a value very close to the actual value, you are ________________.
A
accurate
B
good
C
wrong
D
all of these
6) Mass and weight are different because
A
weight measures the amount of space an object takes up
B
mass measures the amount of space an object takes up
C
weight mesures the force of gravity
D
mass measures the force of gravity
7) The official SI unit for mass is ____________
A
kilogram
B
g/mL
C
meter
D
cubic centimeter
8) Liquid volumes are measured in units called _________________________
A
milliliters
B
kilograms
C
meters
D
grams
9) The most important lab safety rule is _______
A
always follow your teacher's instrustions and lab directions
B
always wear safety goggles
C
design and conduct your own experiments always
D
always wear a lab apron
10) Your team measures an object 3 times. You get 34.0 cm, 34.1 cm, 34.2 cm The actual value is 39.0 cm. Your team's measuresments are ____________
A
both accurate and precise
B
precise but not accurate
C
accurate but not precise
D
neither accurate nor precise
*select an answer for all questions
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