Font size
WorksheetsEnergy from food
Total questions: 17
Worksheet time: 12mins
Food is needed by us to _______ and _________.
Grow
Die
Survive
Respiration
Obesity is caused due to :-
Over Eating
Exercise
Playing all day.
Eating Fried Foods
What is the purpose of the lab activity?
To determine which food has the highest amount of mass
To determine which food has the highest heating time
To determine which food has the highest energy content
all of them
Why do we use thermometer in this lab activity?
To record the initial temperature
To read the final temperature
To determine the temperature change
all of them
Final temperature - Initial temperature results to
Constant temperature
Temperature variable
Sum of temperatures
Change in temperature
In an experiment, a student record the temperature of water samples from 20 degree Celsius to 35.5 degree Celsius. What is the change in temperature?
15.55 C
15.5 C
15 C
55.5 C
Food energy is often expressed in a unit called
Calorie
Joule.calorie
Calorie.joule
calorie.gram
What is the process by which our body gets energy from the food we eat?
cellular respiration
combustion
photosynthesis
digestion
Which person needs the most energy in their food?
30 year old woman studying
11 year old girl studying
11 year old girl does lots of exercise
30 year old who does lots of exercise
What units is energy measured in?
J
oC
m/s
g
A person's energy requirements depends on the following except
age
gender
daily activities
skin colour
Most foods contain a lot of energy so we usually measure the energy in foods using
calories
Newton
Joules
kilojoules
True or False: A good diet should provide only the amount of energy that a person's body needs.
True
False
Why does a teenager needs more energy than a 5-year old?
a teenager watch too many movies
a teenager has to study more
a teenager is still growing
a teenager is usually active
In the energy content lab, the independent variable is
food sample
volume of water
temperature of water
height of the burning food from test tube
The higher the temperature of the water in the boiling tube, the more _______ the food released when it was burnt.
calories
joules
smoke
energy
