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Year 8 Science Assessment Test

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Name: Date: ...........................................................
Grade: 6
Total Marks: 56
Plant and Animal Nutrition
[2]
1. Name two things that photosynthesise:
1. 2. [2]
2. What are the products of photosynthesis? [1]
3. What is chlorophyll?
[6]
4. Put the following foods into their correct food group: bread, vegetables, rice, meat, fish, dairy products, pasta, butter, oil, nuts, fruits, eggs
Carbohydrates
Proteins
Fats
Page 1 of 4
Vitamins/Minerals
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6
5. Look at the two different food diaries and then answer the questions. Person A
Breakfast:
Oatmeal with sliced banana and walnuts
Greek yoghurt with honey
Coffee with milk
Snack:
Apple and string cheese
Lunch:
Grilled chicken breast, brown rice, steamed broccoli, carrot sticks
Water
Snack
Hummus with celery sticks and wholegrain crackers
Dinner
Baked salmon, Quinoa with mixed vegetables
Green salad with tomatoes and cucumbers
Water
Dessert
Fresh berries with whipped cream
Person B
Breakfast:
Sugary cereal with full cream milk
Toast with butter and orange juice
Snack:
Chocolate chip muffin and sweetened iced tea
Lunch:
Cheeseburger with fries and a soft drink
Snack
Potato chips and a chocolate
Dinner
Pepperoni pizza, garlic bread, and a soft drink
Dessert
Ice cream sundae with chocolate syrup and whipped cream
Page 2 of 4
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NS/Tech Test
a. Which person has eaten a balanced diet? Give a reason for your answer.
[2]
[1]
b. What is wrong with the other person’s diet?
c. Person A has their meals spaced throughout the day. Why is this a good way to eat? [1]
[2]
d. List two risks to person B’s health based on their diet?
1. 2. Section D: Processing Food
7
6a). Give an example of a food that has been processed.
[1]
[2]
b). Give two reasons why we process food. 1. 2. c). Give two methods that can be used to extend the life of food, and give an example for
each one.
[4]
1. 2. Page 3 of 4
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NS/Tech Test
Section E: Ecosystems
3
[3]
7. Give an example of an organism that is a: a. producer: b. consumer: c. decomposer: Section F: Feeding Relationships (Food Webs)
3
[2]
8a). Complete this sentence:
A food web is a model that shows how and flow through an ecosystem.
b). Give an example of a predator-prey relationship in a food web.
[1]
Page 4 of 4
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Cellular division and Organisation
9. 1
Figure 1 shows a plant cell.
Some parts of the cell have been labelled.
Figure 1
nucleus
A
mitochondria
ribosome
chloroplast
a). 1 . 1
What is the name of part A?
Tick one box.
[1 mark]
cell membrane
cell wall
cytoplasm
vacuole
0 1 . 2
b).
In which part of the plant would you find the cell in Figure 1?
Tick one box.
[1 mark]
leaf
petal
root
seeds
1 of 6
0c).1 . 3
Which three parts found in a plant cell are not present in animal cells?
Tick one box.
[1 mark]
cell membrane, chloroplasts, cytoplasm
cell membrane, chloroplasts, vacuole
cell wall, chloroplasts, cytoplasm
cell wall, chloroplasts, vacuole
0 1 . 4
Give one function of the nucleus.
[1 mark]
1 . 5
10).
Figure 2 shows a different type of cell.
Figure 2
Give two pieces of evidence that suggest the cell in Figure 2 is a bacterial cell.
[2 marks]
1. 2. 6
2 of 6
10a).2
0 2 . 1
Cardiac muscle is one type of muscle found in the body.
What is the correct order of these structures from the simplest level of
organisation to the most complex?
Tick one box.
[1 mark]
0b).2 . 2
cardiac muscle
muscle cell
heart
circulatory system
cardiac muscle
muscle cell
circulatory system
muscle cell
cardiac muscle
heart
muscle cell
cardiac muscle
circulatory system
heart
circulatory system
heart
Which diagram shows a muscle cell?
Tick one box.
[1 mark]
A
0 2 c). 3
B
C
D
Explain why muscles cells contain many mitochondria.
[2 marks]
0d).2 . 4
Muscles require a lot of oxygen when they are in use.
Name the type of cell that carries oxygen to the muscles.
[1 mark]
3 of 6
11.2 . 5
Skeletal muscles can work in pairs to move parts of the body.
These pairs of muscles are called antagonistic muscles.
Explain how antagonistic muscles work together.
[2 marks]
7
4 of 6
b). 3
The long bones of the skeleton contain a soft tissue called bone marrow.
Bone marrow produces blood cells.
0 3 . 1
Explain how a pathologist could use a light microscope to observe blood cells.
[6 marks]
0 c).3 . 2
Give two other functions of the skeleton.
[2 marks]
1. 2. 5 of 6
012).
3 . 3
Figure 3 shows a hip joint.
Figure 3
cartilage
ligament
fluid
a).
What type of joint is a hip joint?
[1 mark]
0 3 . b)4
The ligament, fluid and cartilage of the joint are labelled in Figure 3.
Explain the role of these structures in the joint.
[4 marks]
13
6 of 6
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