What does mental age refer to? Mental age is an estimate of a person’s cognitive development derived from raw score performance on intelligence, achievement, or neuropsychological tests. Mental age is most frequently estimated in children, likely due to the emergence and protracted developmental course of cognitive skills during this period. How is your IQ calculated? […]
What property of water causes materials to dissolve?
What property of water causes materials to dissolve? polarity What is a substance that hates water called? a substance that hates or “fears” water is called. hydrophobia. Which property of water allows bugs to walk on water? surface tension Are water striders dangerous? Water Striders are considered beneficial because they prey on other insects including […]
What happens to electrons in an ionic compound?
What happens to electrons in an ionic compound? Ionic compounds are formed as the result of the formation of positive and negative ions. Electrons are actually transferred from one atom to another to form rare gas electron structures for each ion. The atom which forms a positive ion loses electrons to the atom which gains […]
What did ISRO do recently?
What did ISRO do recently? India’s second mission to the Moon, Chandrayaan-2 was launched on 22nd July 2019 from Satish Dhawan Space Center, Sriharikota. The Orbiter which was injected into a lunar orbit on 2nd Sept 2019, carries 8 experiments to address many open questions on lunar science. Does Vikram Lander landed on moon? Vikram, […]
What is the most toxic fish?
What is the most toxic fish? Pufferfish What is the deadliest flower in the world? Nerium oleander What is the deadliest job in the world? The most dangerous job, logging, was 33 times more dangerous than the average job nationwide. Additionally, many of the most dangerous jobs earn average salaries that are below the May […]
Which distance is more important from the fulcrum for a lever?
Do all atoms have an electric charge?
Do all atoms have an electric charge? All atoms have an electric charge. When a given number of positively charged particles combines with an equal number of negatively charged particles, an electrically neutral particle is formed. Did the miners at Chernobyl die? Out of the miners who worked at Chernobyl, some have survived and some […]
What are the condition for system to be in mechanical equilibrium?
What are the condition for system to be in mechanical equilibrium? For an object to be in equilibrium, it must be experiencing no acceleration. This means that both the net force and the net torque on the object must be zero. Here we will discuss the first condition, that of zero net force. What two […]
Why does my body lose heat so fast?
What are the 2 types of supernovae?
What are the 2 types of supernovae? There are two basic types of supernova, called (boringly enough) “Type I” and “Type II”. Type I: supernovae WITHOUT hydrogen absorption lines in their spectrum. Type II: supernovae WITH hydrogen absorption lines in their spectrum. What does a Type 1 supernova leave behind? Type I (especially Ia) supernova […]