Food and Energy
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Slide 1 - Diapositive
What organ system contains the stomach and the intestines
A
Circulatory system
B
Urinary System
C
Digestive system
D
Central nervous system
Slide 2 - Quiz
What pH is stomach acid?
A
pH 1-2
B
pH 3-4
C
pH 5-6
D
pH 7
Slide 3 - Quiz
What would you see when a piece of metal is added to an acid.
A
Rainbow
B
Fizzing and moving around
C
Lilac flame
D
acid disappears
Slide 4 - Quiz
What is the resultant force on this object ?
A
7N left
B
3N left
C
7N right
D
3N right
Slide 5 - Quiz
What is one difference between a series circuit and a parallel circuit ?
Slide 6 - Question ouverte
Slide 7 - Diapositive
In all the circuits we have studied so far, what provided the energy to make the bulb light up?
Slide 8 - Question ouverte
Slide 9 - Diapositive
Slide 10 - Diapositive
Slide 11 - Diapositive
How many joules is 3000 kJ?
A
3 J
B
30 000 J
C
3 000 000 J
D
300 000 J
Slide 12 - Quiz
What type of energy is in food, coal, and batteries?
A
Kinetic Energy
B
Thermal Energy
C
Gravitational Energy
D
Chemical Energy
Slide 13 - Quiz
What is the unit of energy?
A
Newtons
B
Watts
C
Amps
D
Joules
Slide 14 - Quiz
Slide 15 - Diapositive
An egg contains 300 kJ of energy.
How many joules is that?
How many joules is that?
A
300 000 J
B
0.3 J
C
3 000 J
D
30 000 J
Slide 16 - Quiz
An apple contains 400 000 J of energy.
How many kilojoules is that?
How many kilojoules is that?
A
40 kJ
B
400 kJ
C
4 000 kJ
D
40 000 kJ
Slide 17 - Quiz
What is 2000J in kJ?
A
2 000 000 kJ
B
2 000 kJ
C
2 kJ
D
20 kJ
Slide 18 - Quiz
What is 3kJ in joules?
A
0.003 J
B
300 J
C
30 J
D
3 000 J
Slide 19 - Quiz
What is 500J in kJ?
A
5 kJ
B
0.5 kJ
C
50 kJ
D
5000 kJ
Slide 20 - Quiz
What is 10 000 joules in kilojoules kJ?
A
1 kJ
B
10 kJ
C
100 kJ
D
1000 kJ
Slide 21 - Quiz
What is 0.4kJ in joules
A
4 J
B
4000 J
C
40 J
D
400 J
Slide 22 - Quiz
What is 25 kJ in joules?
A
250 J
B
2500 J
C
25 000 J
D
0.025 J
Slide 23 - Quiz
How many joules of energy is in an entire mars bar?
Slide 24 - Question ouverte
Slide 25 - Diapositive
Slide 26 - Diapositive
Slide 27 - Diapositive
Which of these foods has the most energy per serving?
Slide 28 - Question ouverte
Which of these foods has the most energy per 100g?
Slide 29 - Question ouverte
How much energy would you get if you ate a sausage sandwich with one sausage?
Slide 30 - Question ouverte
Slide 31 - Diapositive
Slide 32 - Diapositive
Why might you need more energy than me?
Slide 33 - Question ouverte
Match the activity with the amount of energy needed
Working
Relaxing
Playing
Sleeping
300kJ
3600kJ
360kJ
600kJ
Slide 34 - Question de remorquage
Slide 35 - Diapositive
Match the activity with their energy for each minute
6 kJ
7 kJ
13 kJ
15 kJ
25
60
73
running
swimming
cycling
walking
standing
sitting
washing
Slide 36 - Question de remorquage
Why do we need energy while we are sleeping?
Slide 37 - Question ouverte
Slide 38 - Diapositive
Which of these people will gain weight?
A
A
B
B
C
C
D
D
Slide 39 - Quiz
Slide 40 - Diapositive
Slide 41 - Vidéo
What breaks down food in a digestion tank?
Slide 42 - Question ouverte
What gas is produced in the process?
