What is not affected by the force acting on an object? A force acting on an object causes the object to change its shape or size, to start moving, to stop moving, to accelerate or decelerate. When there’s the interaction between two objects they exert a force on each other, these exerted forces are equal […]
What are good writing strategies?
What are good writing strategies? Listen and respond to guidance offered while producing your work. Keep focused on your question or task – keep asking yourself whether any material you plan to include is really relevant. Be clear, concise and to the point in what you write. Present your ideas in a clear and logical […]
What problem will create when too much algae?
What problem will create when too much algae? Excessive algae growth will starve or suppress other forms of aquatic plant life, and can block sunlight necessary for their proper growth. Taste and odour problems in drinking water and sometimes even fish kills are associated with excessive blooms of planktonic algae. Is Dissolved oxygen harmful to […]
How do I know if my pool balls are aramith?
How can models help scientists?
How can models help scientists? Models use familiar objects to represent unfamiliar things. Models can help you visualize, or picture in your mind, something that is difficult to see or understand. Models can help scientists communicate their ideas, understand processes, and make predictions. What are some models used in science? Physical models, mathematical models, and […]
What is the chemical that breaks down food in your mouth?
What is the chemical that breaks down food in your mouth? salivary amylase enzyme How is food chemically broken down? Chemical digestion involves the secretions of enzymes throughout your digestive tract. These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts. What happens […]
Why does the acceleration stay constant?
Why does the acceleration stay constant? Sometimes an accelerating object will change its velocity by the same amount each second. This is referred to as a constant acceleration since the velocity is changing by a constant amount each second. An object with a constant acceleration should not be confused with an object with a constant […]
What is the ideal banking angle for a gentle turn?
What can be used to identify a material?
What can be used to identify a material? To identify a substance, you would compare the density of an unknown substance with the densities of known substances. Examples: The densities of wood, plastic and steel are all different. What are the steps to identify a substance? Four steps to successful substance identification Analyse your substance. […]
Why jet streams have such a high velocity?
Why jet streams have such a high velocity? Temperature also influences the velocity of the jet stream. The greater the difference in air temperature, the faster the jet stream, which can reach speeds of up to 250 mph (402 kph) or greater, but average about 110 mph (177 kph). Can the jet stream reverse? Now, […]