G8 Science EOY Revision

G8 Science EOY Revision​

Weds. June 8- 8:30 AM

60 Marks/70 Minutes​

By Tara BRENNAN

Multiple Choice

What are the products of photosynthesis?

• oxygen and carbon dioxide

• glucose and oxygen

• glucose and carbon dioxide

• glucose and sunlight

Multiple Choice

What is respiration?

• the use of chlorophyll to get energy from sunlight

• the breaking down of sunlight to transfer energy to the body

• breathing- inhaling and exhaling

• the breaking down of food and nutrients and oxygen to release energy

Open Ended

What are the 7 major food/n groups?

​Carbohydrates (Sugar and Starch): Needed for Energy

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Fats/Lipids: Needed for energy & warmth, maintaining body temp.

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Proteins- Growth and repair of cells​

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​Some text here about the topic of discussion.

Nutrients- what do we need them for?

Fibre- keep things moving through the digestive system

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Water- all chemical processes take place in water/ 70% of body is made of water

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Minerals/Vitamins- maintain organs and keep body healthy for all processes ​

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Multiple Select

Which two nutrients provide the body with ENERGY? Choose 2 answers.

• Carbohydrates

• Fats/Lipids

• Protein

• Vitamins/Minerals

Multiple Choice

Which enzyme is found in our mouth and breaks down carbohydrates?

• lipase

• amylase

• lactase

• protease

Multiple Choice

What is the role of the digestive system?

• to digest food, breathe oxygen, release CO2

• to transfer glucose and oxygen to all parts of the body

• to circulate nutrients to the brain and all cells

• to break down nutrients into smaller molecules that can be used by the body

Multiple Choice

What is the role of the alveoli

• gas exchange

• taking in oxygen

• transporting air to lungs

• breathing out CO2

Multiple Choice

What are the four parts of blood?

• Plasma, Platelets, Waste, Oxygen

• Platelets, Plasma, Viruses, Bacteria

• Red Blood Cell, Green Blood Cell, mucus, substances

• Red blood cell,

  plasma,

  platelets, white blood cell

Multiple Choice

When you crush a substance into a powder, you are increasing the ________ of the substance.

• concentration

• catalyst

• surface area

• temperature

Open Ended

How would you test for hydrogen gas?

Multiple Choice

Mass / Volume is the formula for _________

• Density

• Speed

• Pressure

• Moments