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