Safety in Science — Unit test Answers

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Saul converts 2.392 hectoliters to liters. What should his new number be?

A
0.02392
B
0.2392
C
239.2
D
2392
22
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Which describes something in nature and predicts how it will behave without explaining why?

A
law
B
theory
C
hypothesis
D
data
23

Read the passage about the health risks of single-load liquid laundry packets.These packets are filled with concentrated, toxic chemicals. A 7-month-old in Florida died from swallowing the soap. Several soap and detergent companies are conducting studies to address these safety concerns; they want to reduce toxicity and to make the packets look less like candy. The U.S. Consumer Product Safety Commission (CPSC) is also performing studies to build more safety into these products.

A
The CPSC is the only organization that can test the safety of soaps and detergents.
B
Studies conducted by any company that benefits financially are considered unreliable.
C
Studies performed by the CPSC give reliability to the results of improved safety obtained by each soap company.
D
Tests performed by the CPSC follow established scientific methods, but those performed by soap companies do not.
24

Which is always the first step in dealing with an accident in the lab?

A
Call the emergency number, 911.
B
Call the fire department.
C
Notify the teacher.
D
Read the MSDS information.
25

Analyze the graph.

Question illustration
A
increasing parking meters
B
increasing traffic signals
C
increasing places to park bikes
D
decreasing bike-repair shops

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