Category: Physics

How do you know if ions are present? When an atom is attracted to another atom because it has an unequal number of electrons and protons, the atom is called an ION. If the atom has more electrons than protons, it is a negative ion, or ANION. If it has more protons than electrons,it is […]

How can we prevent accidental fires at home? Fire safety Keep all fires and heaters well guarded, especially open fires. Keep portable heaters and candles away from furniture and curtains. Don’t dry or air clothes over or near the fire, or the cooker. Do not smoke in bed. Many fires start in the kitchen, especially […]

What happens to a container of gas when the pressure is increased? If the amount of gas in a container is increased, the volume increases. If the amount of gas in a container is decreased, the volume decreases. If you heat a gas you give the molecules more energy so they move faster. This means […]

Does light occupy a single point in space? What it does have though is mass perceived due to the energy it contains and this should not be considered as its actual mass. As light does not have mass, it implies that light cannot occupy space. Why do Photons have no mass? Another answer is that […]

What certificates can I get in 6 months? High-paying six-month certificate programs Emergency Medical Technician. National average salary: $14.65 per hour. Funeral director. National average salary: $18.90 per hour. Brick Mason. Personal trainer. Medical coder. Firefighter. Air traffic controller. Automobile service station manager. What certificate programs pay the best? 10 High-Paying Jobs that Require (or […]

Why does a paperclip sink in soapy water? When you initially drop the paper clip into the bowl of water, it sinks, as the paperclip is too dense. Adding the dish soap breaks the bonds between the water molecules, thus breaking the surface tension and causing the paper clip to sink. Does a paperclip sink? […]

How do I set my home screen on my LG TV? From the Home screen, touch and hold the Recent Apps Key (in the Touch Keys bar) > Home screen settings to access the following settings to personalize your Home screen. Select Home: Sets the type of Home screen layout. How do I switch my […]

When can you cross double solid white lines on the pavement? Solid Double: Similar to double yellow lines that indicate it is illegal to pass, double white lines indicate that it is illegal to change lanes. Solid double white lines may be close together or may be separated by eighteen or more inches of space. […]

Does heat or air kill germs? Air temperature is key for bacteria. In general, cold air kills germs while warm air incubates them. What do hospitals use to sanitize the air? Ethanol and ammonia are commonly found in disinfectant agents, and formaldehyde in laundry detergents. As these products are used in such large quantities within […]

What happen with the mass of body when we take it to another place? Hence, weight of a body will change from one place to another place because the value of g is different in different places. For example, the value of g on moon is 1/6 times of the value of g on earth. […]