Long Test Answer Key

Long Test Answer Key

7th Grade

22 Qs

quiz-placeholder

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Long Test Answer Key

Long Test Answer Key

Assessment

Quiz

Chemistry

7th Grade

Hard

Created by

Sheila Viñar

Used 11+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Characteristic of science that talks about the correctness of a statement.

Precision

Accuracy

Objectives

Reliability

Answer explanation

ACCURACY

- Correctness of statement

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of identifying a problem?

Every day severe cases are increasing daily

Identifying the type of virus present

Conducting clinical trials

People having the COVID-19 vaccine can acquire herd immunity.

Answer explanation

Problem: Every day severe cases are increasing daily

Background Research:    Identifying the type of virus present

Experimentation: Conducting clinical trials

Analyzing the Data: People having the COVID-19 vaccine can acquire herd immunity.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A type of hypothesis that states no relationship between variables.

Hypothetical Hypothesis

Falsified Hypothesis

Null Hypothesis

Not true Hypothesis

Answer explanation

Null Hypothesis (Ho):

Hypothesis that states no relationship between variables.

Example:

The dosage of vaccine is not effective in lessening the severe cases of COVID-19

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This is the scattering of light by the particle in a color or suspension.

Tidal Effect

Tydall Effect

Tyndall Effect

Tynndall Effect

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements can be considered in preparing dilution?

Add solute and Add solvent

Reduce the solvent and

Reduce solute

Add solute and

Reduce solute

Add solvent and Reduce solute

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The term science came from the Greek word, “Scientia” meaning knowledge.

T

F

Answer explanation

The term science came from the LATIN word, “Scientia” meaning knowledge.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pure substance does not have fixed chemical composition.

T

F

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