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WorksheetsDo Now 3 6th Grade
Total questions: 9
Worksheet time: 5mins
An apple turns brown if you cut it in half and wait a few hours because:
it undergoes a chemical reaction called oxidation.
it loses all its water content.
it absorbs moisture from the air.
it is exposed to sunlight.
The process when unpaired electrons in an oxygen molecule damage living tissue is called:
Oxidative stress
Photosynthesis
Glycolysis
Fermentation
A person with a lot of oxidative stress in their body will have which health condition?
Increased risk of chronic diseases
Improved immune function
Lower blood pressure
Enhanced muscle growth
Which of the following can cause oxidative stress?
Exposure to pollutants
Drinking pure water
Regular exercise at moderate levels
Consuming fresh fruits
What protects you from oxidative stress?
Antioxidants
Carbohydrates
Proteins
Fats
To keep an apple from browning when it is cut, you should:
Soak it in lemon juice
Store it in direct sunlight
Leave it uncovered at room temperature
Sprinkle it with salt
Select the spice that is high in antioxidants.
Turmeric
Salt
Sugar
Cornstarch
Foods that are high in antioxidants include:
Berries
White bread
Processed meats
Sugary drinks
Foods high in antioxidants are called:
Superfoods
Junk foods
Processed foods
Low-calorie foods
