Food Tests

Presentation

•

Science

•

9th - 10th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-2, 5-PS3-1, MS-LS1-7

Standards-aligned

Nyann M

Used 25+ times

FREE Resource

20 Slides • 33 Questions

Nutrition: Review & Food Tests

In this session you will review you basic understanding of roles of macro and micronutrients and you will be able to identify the various tests used to determine the presence of specific food substances.

Let's Review what you already know,

Multiple Choice

Which of the following nutrients provides energy to the body?

carbohydrates

vitamins

water

minerals

Multiple Choice

Which of the following nutrients is important for body, cell and muscle growth and repair?

vitamins

fats

proteins

carbohydrates

Multiple Choice

Which nutrient supplies the most energy per gram?

carbohydrates

fats

protein

water

Multiple Choice

What are the 6 nutrients?

carbs, meats, fibers, water, protein, dairy

carbs, fats, fibers, cheese, protein, and vegetables

fruits, milk, fibers, water, pork and vitamins

carbs, fats, minerals, water, proteins and vitamins

Multiple Select

Which of the followign two statements define a macro and a micro nutrient?

a macro nutrient is a nutrient needed in large quantities.

A micro nutrient is a nutrient needed in large quantities

a macro nutrient is a nutrient needed in small quantities

a micro nutrient is a nutrient needed in small quantities

Multiple Choice

Which food group does glucose and starch belong to?

fats

Vitamins

proteins

carbohydrates

Multiple Choice

The building blocks of starch are

glycerol

amino acids

sugars

fatty acids

Multiple Choice

The building blocks of lipids are

Starches

Fatty acids and Glycerol

Sugars

Amino Acids

Multiple Choice

True or False. All cholesterol is bad for you.

True

False

Multiple Choice

The role of fibre is to

Strengthen teeth and bones

Keep the digestive system healthy

Provides the body with energy

Repairs muscle and tissues

Multiple Choice

This nutrient makes up 75% of your body:

water

vitamin A

carbohydrates

protein

Multiple Choice

Ashley is getting ready for her soccer game. Which nutrient will give her body the main fuel for her game?

Fat

Water

Multi-vitamin

Carbohydrates

Multiple Choice

To stay healthy, you should know:

How to make food for your family.

Your serving sizes and food groups.

That you should eat whenever you are hungry.

Multiple Choice

Which of the following is an example of a healthy snack?

chips

pop tart

banana

doughnut

Multiple Choice

The amount of energy released when nutrients are broken down is measured in units called

grams

calories

ounces

pounds

Multiple Choice

Organic compounds that control several body functions. e.g. A, C, K

Carbohydrates

Metabolism

Vitamins

Digestion

Watch the following videos

You must watch the videos in the following slides and take note of the procedures involved in testing for the various food substances:

(1) Reducing and Non- Reducing Sugars

(2) Fats

(3) Proteins

(4) Starch

Testing for Reducing and Non- Reducing Sugars

Testing for Glucose

Testing for Starch

Testing for fat

Grease Sport Test

Testing for Protein

Let's summarize

Let's Review

Multiple Choice

Which chemicals did you mix to test for proteins - biuret test?

Ethanol and water

Iodine and potassium permanganate

Benedicts Solution

Sodium Hydroxide and Copper Sulphate

Multiple Choice

How do you test for lipids?

By using Ethanol and water

By using Benedicts solution

By using Iodine

By using Biuret test

Multiple Choice

Tara conducted several tests on a mystery solution. Her results were as follows:

*Biuret's = purplish/violet; *Benedict's = orange; *Sudan III = yellow; *Iodine = black.

Which biomolecules were present in the mystery solution?

protein & carbohydrate

protein & lipid

carbohydrate & lipid

protein, carbohydrate, & lipid

Multiple Choice

Which biomolecule does Benedict's solution test for?

simple carbohydrate (monosaccharides)

complex carbohydrates (polysaccharides)

proteins

lipids

Multiple Choice

Which biomolecule turns iodine solution black?

complex carbohydrate (polysaccharide)

protein

simple carbohydrate (monosaccharide)

lipid

Multiple Choice

The test tubes in the photo represent a negative and positive result for

Benedict's with glucose

Biuret with protein

Iodine with starch

Ethanol with fat

Multiple Choice

This photo represents a

negative test for glucose

negative test for protein

positive test for starch

positive test for glucose

Multiple Choice

In this experiment, you must put your test tubes into a hot water bath

Benedict's Test

Biurets Test

Iodine Test

Ethanol Emulsion Test

Multiple Choice

What is a positive result for the lipid emulsion test?

milky white colour

clear

yellow

green

Multiple Choice

A negative test for glucose will cause Benedicts to stay...

brick red

blue

black

orange

Multiple Choice

A negative test for protein will cause Biuret to stay...

brick red

blue

black

orange

Multiple Choice

When large amounts of glucose is present Benedicts turns...

purple

blue-black

brick-red

green

Multiple Choice

When protein is present Biuret turns...

purple

blue-black

orange

brick red

Multiple Choice

When starch is present iodine turns...

purple

blue-black

orange

brick red

Multiple Choice

Which of the following tests for glucose?

Iodine

Benedicts

Biuret

Emulsion

Multiple Choice

Which of the following tests for protein?

Iodine

Benedicts

Biuret

Emulsion

Multiple Choice

Which of the following tests for starch?

Iodine

Benedict's

Biuret

Emulsion

Nutrition: Review & Food Tests

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