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 […]
What are the best electrodes for electrolysis?
What are the best electrodes for electrolysis? Steel and iron are the most commonly used for electrolysis of water. These electrodes are used as anode and it is sacrificed in electrolysis, as the anode rusts (get oxidized) and the cathode de-rusts (get reduced). What factors affect rate of electrolysis? There are many factors that affect […]
What is an example of emergent literacy?
What is an example of emergent literacy? Examples of emergent literacy activities include engaging in shared storybook reading, pretending to write or draw, incorporating literacy themes into play, and engaging in oral wordplay such as rhyming. Parents read to children who are very young before they can verbally participate. What are the 5 pillars of […]
Why incandescent bulbs are better?
Why incandescent bulbs are better? Incandescent bulbs cost much less than their energy-efficient alternatives – mainly CFLs (compact fluorescent lamps) and LEDs (light emitting diodes). Incandescents are inefficient – 90% of the energy goes toward heat and only 10% toward light. Incandescents also don’t last as long as CFLs and LEDs. What are the disadvantages […]
What is the difference between cognitive therapy and cognitive behavioral therapy?
What is the difference between cognitive therapy and cognitive behavioral therapy? The main difference between the two is that cognitive therapy focuses on eliminating psychological distress, while cognitive-behavioral therapy targets the elimination of negative behavior, as well. What are the 4 components of CBT? In CBT/cognitive therapy, we recgonize that, in addition to your environment, […]
What are the two main studies of physical science?
What are the two main studies of physical science? In this lesson, we will discuss how physics and chemistry are considered to be the two main branches of physical science. We will also look at the overlap between physics and chemistry. What are the issues in science education? Some of the complex issues in the […]
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 color temperature is best for plants?
What color temperature is best for plants? As a general recommendation, choose a full spectrum grow light with a color temperature in the blue range (5,000 – 7,000K) to promote vegetative growth and choose a color temperature in the red range (3,500 – 4,500K) to promote fruiting and flowering. Visible Light Spectrum. Can plants grow […]
What type of smoke detector is best for kitchen?
What type of smoke detector is best for kitchen? Photoelectric smoke detectors Are heat detectors required in garages? Heat Detectors must be installed In any integral garage or attached garage. Which is better smoke detector or heat detector? Smoke alarms detect smoke – fit them in all rooms where a fire might start. But in […]