Course Final - Science 14
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Last updated over 3 years ago
22 questions
1
List the meaning of each of the WHMIS symbols shown
List the meaning of each of the WHMIS symbols shown
1
How do HHPS symbols differ from WHMIS?
How do HHPS symbols differ from WHMIS?
6
Match the state change described with its proper terminology.
Match the state change described with its proper terminology.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Liquid to solid | arrow_right_alt | Evaporation |
Gas to solid | arrow_right_alt | Deposition |
Liquid to gas | arrow_right_alt | Freezing |
Gas to liquid | arrow_right_alt | Melting |
Solid to gas | arrow_right_alt | Sublimation |
Solid to liquid | arrow_right_alt | Condensation |
1
How could you determine if a substance is pure or a mixture?
How could you determine if a substance is pure or a mixture?
2
Label what each component in the diagram below tells us about water molecules.
Label what each component in the diagram below tells us about water molecules.
1
How does a solution differ from a mechanical mixture?
How does a solution differ from a mechanical mixture?
1
How can we increase the concentration of a solution. You can use a diagram to help support your answer.
How can we increase the concentration of a solution. You can use a diagram to help support your answer.
1
Match the pH provided with the type of solution it represents.
Match the pH provided with the type of solution it represents.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
pH = 2 | arrow_right_alt | Neutral |
pH = 14 | arrow_right_alt | Acid |
pH = 7 | arrow_right_alt | Base |
1
Describe one factor that can speed up the process of corrosion.
Describe one factor that can speed up the process of corrosion.
2
What is friction? Why does it create problems for machinery?
What is friction? Why does it create problems for machinery?
1
Heat always flows from _______ subtances to _______ substances.
1
Match the types of heat transfer with the example that represents it.
Match the types of heat transfer with the example that represents it.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Conduction | arrow_right_alt | A person burns their hand on a running engine. |
Convection | arrow_right_alt | As water is heated, the hot water rises and pushes the cold water down |
Radiation | arrow_right_alt | The suns rays warm up sand on a beach. |
2
Describe how you would keep a thermos of hot chocolate warm.
Describe how you would keep a thermos of hot chocolate warm.
5
Label the plant cell diagram.
Label the plant cell diagram.
1
Why do our cells need oxygen?
Why do our cells need oxygen?
2
How does the energy in food get sent to your cells? Use as much detail as possible.
How does the energy in food get sent to your cells? Use as much detail as possible.
2
Why is it important to have a proper diet that includes carbohydrates, lipids and proteins?
Why is it important to have a proper diet that includes carbohydrates, lipids and proteins?
1
All energy comes from:
All energy comes from:
2
Explain the process by which energy is passed down the food chain shown:
Explain the process by which energy is passed down the food chain shown:
2
Why is there more energy available to organisms at the bottom of a food chain compared to organisms at the top?
Why is there more energy available to organisms at the bottom of a food chain compared to organisms at the top?
3
Determine if the factors listed are biotic or abiotic factors in an ecosystem.
Determine if the factors listed are biotic or abiotic factors in an ecosystem.
Biotic | Abiotic | |
|---|---|---|
Sunlight | ||
pH of soil | ||
decomposers | ||
humidity | ||
predators |
3
Describe the water cycle using the diagram provided.
Describe the water cycle using the diagram provided.