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 […]
Can water cycle work without the sun?
Can water cycle work without the sun? Water constantly moves around the Earth and changes between solid, liquid and gas. This all depends on the Sun’s energy. Without the Sun there would be no water cycle, which means no clouds, no rain—no weather!” “And without the Sun’s heat, the world’s oceans would be frozen!” added […]
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 […]
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 […]
How can humans help pollution?
How can humans help pollution? Reduce the number of trips you take in your car. Reduce or eliminate fireplace and wood stove use. Avoid burning leaves, trash, and other materials. Avoid using gas-powered lawn and garden equipment. How can we reduce environmental degradation? 31+ Stunning Ways to Save the Environment from Destruction Change the way […]
Does being deaf in one ear qualify as a disability?
Does being deaf in one ear qualify as a disability? Deaf applicants, or those with profound hearing loss, should be able to qualify for disability benefits—either by meeting the SSA’s listing, or through a medical-vocational allowance. In addition, if you have good hearing in one ear, you won’t qualify for disability benefits. Why does my […]
What are the methods of producing induced emf?
What are the methods of producing induced emf? The induced emf can be produced by changing : (i) the magnetic induction (B), (ii) area enclosed by the coil (A) and. (iii) the orientation of the coil (θ) with respect to the magnetic field. What is the use of induced emf? A motor has coils turning […]
What most likely caused the tilting of the Grand Canyon?
What most likely caused the tilting of the Grand Canyon? What most likely cause the tilting? Scientists believe that the boundary stratum between the Cretaceous and Paleocene periods were caused by an asteroid. Which organisms were most likely to survive the Cretaceous extinction? Birds: Birds are the only dinosaurs to survive the mass extinction event […]
What do liquid objects have in common?
What do liquid objects have in common? Liquids have the following characteristics: No definite shape (takes the shape of its container). Has definite volume. Particles are free to move over each other, but are still attracted to each other. Why doesn’t mass alone determine whether an object will float or sink? Density is the only […]