Zombie Apocalypse Separation Techniques

Zombie Apocalypse Separation Techniques

7th Grade

22 Qs

quiz-placeholder

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Zombie Apocalypse Separation Techniques

Zombie Apocalypse Separation Techniques

Assessment

Quiz

Chemistry

7th Grade

Hard

Created by

Lee Coumbe

Used 49+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You needed to purify some water from a dirty creek because it is the only water available while your escaping some zombies. What material would be best to use a filter?

Cloth

Mesh

Cotton wool

Pantyhose

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You remember back in the good old days, when there were not zombies. You could do experiments.

You did an investigation to find out what materials were best at filtering dirty water. What was the independent variable?

the type of material

the water quality

the volume of water

the rate you poured the water

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You remember back in the good old days, when there were not zombies. You could do experiments.

You did an investigation to find out what materials were best at filtering dirty water. What was the dependent variable?

the type of material

the water quality

the volume of water

the rate you poured the water

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You remember back in the good old days, when there were not zombies. You could do experiments.

You did an investigation to find out what materials were best at filtering dirty water. Which is not a controlled variable?

the person doing the pouring

the water quality

the volume of water

the rate you poured the water

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In your zombie apocalypse water filtering investigation, your team mates measured the turbidity while using the pantyhose as a filter and got 650 NTU, 645 NTU, 520 NTU and 660 NTU.

Which is probably the outlier?

650 NTU

645 NTU

520 NTU

660 NTU

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In your zombie apocalypse water filtering investigation, your team mates measured the turbidity while using the pantyhose as a filter and got 650 NTU, 645 NTU, 520 NTU and 660 NTU.

What is the average turbidity?

HINT: When calculating the average you add all the trials together and divide by how many trials you do. Make sure you DO NOT include outliers.

652 NTU

645 NTU

520 NTU

660 NTU

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In your investigation what is turbidity?

How murky the water the water is

How salty the water is

The suspension

A colloid

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