| Forces | Tree of life | Seperation | Lab Equipment |
|---|---|---|---|
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Buoyancy, or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid.
What is buoyancy
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Organization, identification, Understanding Relationships, Predicting Traits, conservation and Management.
What is the point of classifying living things?
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The difference between evaporation and distillation is evaporation is a process that involves a change in state of matter.
What is the difference between Evaporation and
Distillation? |
Spatula
Which piece of lab equipment would you use to mix, spread or transfer chemicals that are usually in solid form?
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Yes, salt and pepper can be separated using static electricity. Students should try using a comb to separate the salt and pepper using static electricity.
Can static electricity be used to separate a mixture of salt and pepper?
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Animalia, Fungi, Plantae, Protista, Monera
What are the five kingdoms of classification?
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Positive: Displays the physical/chemical properties of the three states of matter and the behaviour of the particles that they are constantly moving. Negative: Doesn't display the size and shape of particles, it also doesn't account the forces that exist between particles and the
space between particles.
What are the benefits and limitations of the particle
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Bunsen Burner
Which piece of lab equipment heats substances to very high temperatures and has several adjustment features to control the temperature?
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Planes build up large amounts of static electricity due to frictional forces between the plane and the air.
As planes move through the air, they build up large amounts of static electricity. How does this happen?
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Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy from the sun into chemical energy
What is photosynthesis?
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The method used to purify contaminated water is Boiling,
filtration, and distillation.
What is a way to purify contaminated water?
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ask your instructor before proceeding.
If you do not understand a direction or part of a laboratory procedure, you should do what?
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Gravity, buoyancy and surface tension
Name the three forces acting on a water spider when it is standing on a still pond.
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Camouflage on a snake to blend in with the environment, water in a camel's hump to provide water for it etc.
Define an adaptation as an organism's feature that helps it survive in a the desert.
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The separation technique to apply is centrifugation/filtration.
What separation technique do you use to separate
chalk powder and water? |
Centrifuge
What can be used to seperate your blood cells.
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When the parts of mechanical devices come into contact as they move, the microscopic bumps on their surfaces rub against each other producing heat. Lubricants provide a thin slippery film between the two surfaces, reducing contact between these bumps, thus reducing heat as well as wear and tear on the moving parts themselves.
Explain how lubricants such as grease and oil reduce the production of heat in the moving parts of car engines and other mechanical devices.
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It can create algae blooms that take up underwater oxygen, hence suffocating fish.
How can excessive use of nitrogen fertilisers impact waterways?
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Pour the mixture into a funnel, sands sink to the bottom, oil floats to the top, the salt will dissolve in the water in the middle,
drain off the oil, filter the sandwich, and evaporate the salt. (Decantation, Sedimentation, Filtration, Evaporation)
How to separate a mixture of oil, water, salt and sand?
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The "conventional" method and "fluted" methods.
Name the two ways to fold a filter paper.
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