What does the 4 in 3/4 mean in music? The 3/4 time signature means there are three quarter notes (or any combination of notes that equals three quarter notes) in every measure. As we learned in the prior lesson, because there is a 4 on the bottom, the quarter note gets the beat (or pusle). […]
Is thermal energy removed or added in boiling?
Is thermal energy removed or added in boiling? particles, rise to the top of the liquid and escape from the container. In the graph above, notice the energy changes that occur as thermal energy is added. The kinetic energy of particles increases until the liquid reaches its boiling point. At the boiling point, the potential […]
When water evaporates What does it turn into?
When water evaporates What does it turn into? Evaporation happens when a liquid substance becomes a gas. When water is heated, it evaporates. The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor. How fast does a glass of water evaporate? 1.2 hours What are some real […]
Can electric current flow through human body?
Can electric current flow through human body? The human body is a good conductor of electric current simply because it is 70% water. Human tissue is very sensitive to the flow of electric current and is more susceptible to electric shock when wet. Does human body have current? Electricity is everywhere, even in the human […]
How do we know carbon dioxide is a greenhouse gas?
How do we know carbon dioxide is a greenhouse gas? This ability to absorb and re-emit infrared energy is what makes CO2 an effective heat-trapping greenhouse gas. Not all gas molecules are able to absorb IR radiation. For example, nitrogen (N2) and oxygen (O2), which make up more than 90% of Earth’s atmosphere, do not […]
What happens if your goals are not aligned with your values?
What happens if your goals are not aligned with your values? If your dreams and goals are not in alignment with your values and purpose, it’ll be very difficult to achieve them as you’ll be fighting an internal battle the entire way. How do you align your life with your values? Here’s how to really […]
How do scientists know the universe is expanding simple?
How do scientists know the universe is expanding simple? American astronomer Edwin Hubble and others discovered in the 1920s that the Universe is expanding by showing that most galaxies are receding from the Milky Way — and the farther away they are, the faster they are receding. The roughly constant ratio between speed and distance […]
What are the types of connecting wires?
What are the types of connecting wires? Types of electronics connecting wire Bare copper wire: Wire that is not insulated can be used in a variety of ways. Enamelled copper wire: This type of copper wire has a form of insulation made from enamel. PVC wire: PVC wire is the most common form of wire […]
What is a lever give two examples?
What is a lever give two examples? The class of lever depends on the location of the load, force, and fulcrum. Some examples of levers include more than one class, such as a nut cracker, a stapler, nail clippers, ice tongs and tweezers. Other levers, called single class levers include the claw end of a […]
What are the expansion strategies?
What are the expansion strategies? The method a company uses to expand its business is mainly contingent upon its financial position, the competition and even government directive. Some general growth strategies in business include market penetration, market expansion, product expansion, diversification and acquisition. What is expansion or growth strategy? GROWTH /EXPANSATION STRATEGY MEANING:- The growth […]