Is the water displacement method accurate? The change in water level equals the volume of the submerged object. This method is more accurate than measuring water that has spilled out an overflowing beaker. You may need to remind students of the need for accuracy, not only in the weighing of the objects, but also in […]
Is it bad to leave a basketball in a hot car?
Is it bad to leave a basketball in a hot car? If you expose your basketball to the elements for too long, eventually they will expose your basketball. Rain or shine, hot or cold, neither indoor or outdoor basketballs should be left outside in extreme conditions. Any type of wetness can ruin the quality of […]
What is crystallization process?
What is crystallization process? Crystallization is a process whereby solid crystals are formed from another phase, typically a liquid solution or melt. Crystal. Crystal is a solid particle in which the constituent molecules, atoms, or ions are arranged in some fixed and rigid, repeating three-dimensional pattern or lattice. Why is acetone used for cleaning viscometer? […]
How do you simplify and solve equations?
How do you simplify and solve equations? Here are the basic steps to follow to simplify an algebraic expression: remove parentheses by multiplying factors. use exponent rules to remove parentheses in terms with exponents. combine like terms by adding coefficients. combine the constants. How do you simplify algebraic? To simplify any algebraic expression, the following […]
How can I stop the noise in my ear?
How can I stop the noise in my ear? Prevention Use hearing protection. Over time, exposure to loud sounds can damage the nerves in the ears, causing hearing loss and tinnitus. Turn down the volume. Take care of your cardiovascular health. Limit alcohol, caffeine and nicotine. How common is ear rumbling? Rumbling is a surprisingly […]
Is a recession coming 2020?
Is a recession coming 2020? Current projections show a 55 percent chance of a recession in the second half of 2020. The biggest risks are trade war uncertainty and (a) global slowdown. (Odds of a recession between now and the November 2020 election are) 25 percent. (Odds of a recession between now and the November […]
How can I strengthen my immune system?
How can I strengthen my immune system? Healthy ways to strengthen your immune system Don’t smoke. Eat a diet high in fruits and vegetables. Exercise regularly. Maintain a healthy weight. If you drink alcohol, drink only in moderation. Get adequate sleep. Take steps to avoid infection, such as washing your hands frequently and cooking meats […]
When to Use Could you please?
When to Use Could you please? 2) could you please. This is used for formal addressing . For example addressing strangers or people who are in higher post/position than the addressee where you cannot ask for help without politeness. What makes beautiful writing? The most beautiful writing is that which uses those 26 letters in […]
Why do we need controls?
Why do we need controls? Controls allow the experimenter to minimize the effects of factors other than the one being tested. It’s how we know an experiment is testing the thing it claims to be testing. This goes beyond science — controls are necessary for any sort of experimental testing, no matter the subject area. […]
How do you prove a rhombus is a quadrilateral?
How do you prove a rhombus is a quadrilateral? To prove a quadrilateral is a rhombus, here are three approaches: 1) Show that the shape is a parallelogram with equal length sides; 2) Show that the shape’s diagonals are each others’ perpendicular bisectors; or 3) Show that the shape’s diagonals bisect both pairs of opposite […]