Category: Physics

Is the water displacement method accurate? The change in water level equals the volume of the submerged object. This method is more accurate than measuring water that has spilled out an overflowing beaker. You may need to remind students of the need for accuracy, not only in the weighing of the objects, but also in […]

Is it bad to leave a basketball in a hot car? If you expose your basketball to the elements for too long, eventually they will expose your basketball. Rain or shine, hot or cold, neither indoor or outdoor basketballs should be left outside in extreme conditions. Any type of wetness can ruin the quality of […]

Why is it important to dispose of batteries safely? To protect the environment Most batteries contain hazardous materials and can pollute the environment when disposed of in landfills or when thrown out elsewhere. Materials like lead, cadmium and mercury can poison people and animals and contaminate soils and water, and they stay in the environment […]

How can I temporarily fix my car window? Create A Temporary Window On the outside window, stretch a piece of clear tape from the top of the window to the bottom. Continue to layer pieces of tape across the window. A clear, temporary “window” begins to take shape. Repeat until the area is covered. Follow […]

Which of the following is dependent variable? The dependent variable is the variable that is being measured or tested in an experiment. 1 For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants’ test scores, since that is what is being measured. What is the dependent […]

Which best explains how photosynthesis is helpful to humans? Which best explains how photosynthesis is helpful to humans? It reduces the amount of harmful rays released by the sun. It increases the levels of carbon dioxide in the air. What reactants are needed for photosynthesis and respiration? While photosynthesis requires carbon dioxide and releases oxygen, […]

How much water do I put in pressure cooker for meat? When you use a pressure cooker, you need to have enough liquid in the pot for it to come up to pressure and cook the food properly. The rule of liquids in pressure cooking is to always add at least 1 cup of liquid […]

Do necklaces work as pendulums? Pendulums can be made of different materials, some people using a simple necklace with a crystal or charm at the end. Be sure the bob or bobber – or weight on the end – is not too light or too heavy. The best length for the pendulum is six inches. […]

Why does a saucepan have a copper bottom but a plastic handle? The pan is of course to conduct heat evenly! Metal such as copper and aluminium absorb heat quickly which is what you want for cooking , consequently if the handle was made of either metal It would get too hot too hold. Plastic […]

What does AFK stand for? away from keyboard What does IDFK mean? I Don’t Freaking Know What is the meaning of AFK in FF? AFK is an acronym in English that means “away from keyboard”, it is an abbreviation used in certain industries (gaming, technology, etc); to denote that someone is not active or disconnected […]