Understanding pH and Safety in Biology

Understanding pH and Safety in Biology

Assessment

Interactive Video

Biology, Science, Chemistry

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video covers safety regulations and guidelines for biology classes, focusing on frog dissection. It outlines the necessary safety attire and procedures for handling accidents, such as notifying the teacher and cleaning spills. The video also discusses frog anatomy, digestion, and the use of pH paper to test stomach acid, emphasizing the importance of selecting the correct pH range for accurate measurement.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the safety regulations discussed in the video?

Local school district rules

International biology standards

Federal safety guidelines

Texas examination of education standards

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What safety equipment were the students wearing during the dissection?

Lab coats and sandals

Masks and hairnets

Aprons and closed-toe shoes

Gloves and goggles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the first step students took after the spill occurred?

Left the classroom

Cleaned the floor with a mop

Continued with the dissection

Notified the teacher

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did the students clean up the spilled preservation fluids?

Used a mop

Used a sponge

Used paper towels

Used a vacuum cleaner

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of stomach acid in frogs?

Absorb nutrients

Begin protein digestion

Store food

Neutralize toxins

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pH paper range is suitable for testing strong acids like stomach acid?

4 through 7

6.5 through 8.5

6 through 10

0 through 3.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pH range of the pH scale?

1 to 10

7 to 14

0 to 14

0 to 7

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