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Chem Ch.2 QUIZ

Authored by Mr. Lawrence

Chemistry

11th Grade

NGSS covered

Used 4+ times

Chem Ch.2 QUIZ
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31 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

In an experiment, onion plants of different ages were exposed to various amounts of caffeine to determine the effect of caffeine on cell growth. Temperature, amount of water, the light were kept constant. Which of these statements about the experiment is definitely true?

The results may not be valid because there were two variables.
The amount of caffeine used was a control.
Temperature, water, and light were the only variables.
Onion plants can be used to model the effects of caffeine on living things.

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the is the variable in the experiment designed to determine whether steel rusts more quickly near a lake or in a desert in one year?

The amount of rust
Time of exposure
The amount of water in the air
Mass of the steel

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of these terms best describes the following statement? " A solution of the unknown compound turned litmus paper blue."

Hypothesis
Model
Quantitative observation
Qualitative observation

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Theories are considered successful only if they:

Can be used to make accurate predictions.
Can be stated in simple terms.
Can be written in the form of an equation.
Have been accepted by all scientist.

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The unit cm^3 is used to express:

Length
Mass
Volume
Time

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The SI base unit for time and temperature are:

Hour and degrees Celsius
Second and degree Celsius
Hour and Kelvin
Second and Kelvin

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of these shows SI unit prefixes arranged in order from smallest to largest?

Centi, Milli, Kilo
Milli, Centi, Kilo
Kilo, Milli, Centi
Kilo, Centi, Milli

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