Category: Physics

How do you keep food warm in a lunch bag? The best way to pack a warm lunch is to first invest in a good leak-proof insulated food container. Then you can just heat up leftovers, or whatever warm food your kids enjoy eating and send it with them. We have both the Thermos FOOGO […]

Is dill weed a substitute for dill seed? Is dill weed an effective substitute for dill seed or vice versa? Because of the flavor differences, the seeds and leaves of the dill plant are not ideal replacements for each other; however, it is possible in a pinch. Keep in mind that you will need to […]

How long does it take to raise Nightcrawlers? Night crawlers mature in 350 days and produce 38 cocoons per year per worm. These large worms are typically 8-10 inches in length. Earthworms can be grown in any container with adequate organic matter and drainage. How hard is it to raise Nightcrawlers? Uncle Jim’s recommends the […]

What is meant when we talk about accuracy in work quizlet? Terms in this set (4) When you are accurate, you look for the exactness of measurement. When you are precise you are exactly on the measurement. What is the best description of the acquaintanceship effect? What is the best description of the acquaintanceship effect? […]

What happens to energy lost in living organisms? Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. Trophic level transfer efficiency (TLTE) measures the amount of energy that is transferred between trophic levels. What […]

How do you know that rusting of iron is a change? For Example, when the iron is exposed to air and moisture, rust formation takes place. Rust is nothing but Iron Oxide; a new substance formed out of the reaction. The colour of the surface of the iron also changes. Hence, rusting of iron is […]

Why does a polythene rod become negatively charged when rubbed with a dry cloth? When a polythene rod is rubbed with a duster, the friction causes electrons to gain energy. Electrons gain enough energy to leave the atom and ‘rub off’ onto the polythene rod. The polythene rod has gained electrons, giving it a negative […]

How would the absence of gravity affect the formation of planets? Explanation : Gravity is an attraction force and dependents on the mass of the objects but in the absence of the force the rocks and debris would not come together to form a clump. So, we can say that in the absence of gravity, […]

How much does running a homeless shelter cost? It is a fact that it costs about $10,000 per person, per year, to give homeless persons homes of their own. $10,000 per year works out to around $27.40 per day. Does giving homeless people homes save money? Study Data Show that Housing Chronically Homeless People Saves […]

Does a mirror reflects your true size? To see your entire body in a mirror, the mirror only needs to be half your height. It does not matter how far away you stand from a mirror; your reflection will still show the same amount of your body. The size of your image in the mirror […]