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

Fill in the Blank

The angle of incidence is _________ to the angle of reflection.

Fill in the Blank

Light travels in ___________ _____________. (two words)

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

Fill in the Blank

Which organ produces all 3 enzymes- protease, amylase and lipase?

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

Fill in the Blank

Which organ is responsible for absorbing water from food and waste before it leaves the body?

Multiple Choice

What is the role of the alveoli

• gas exchange

• taking in oxygen

• transporting air to lungs

• breathing out CO2

Fill in the Blank

Which blood vessel takes CO2 and waste back to the heart?

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

Fill in the Blank

What is the order of the 8 planets from the sun? Don't put commas in between the planets.

Fill in the Blank

Which season is it in the Northern Hemisphere when the North Pole is tilted away from the sun?

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

Fill in the Blank

Force / Area is the formula for ________.

Fill in the Blank

What is the formula for speed?