Science XD

Question 1

what is the difference between hazard and risk

Answer 1

hazard- a danger associated with an object or chemical
risk-the possiblity of a danger happening

Question 2

types of flames

Answer 2

safety flame
blue flame
roaring blue flame

Question 3

what is the shape called which is ontop of a testube

Answer 3

miniscus

Question 4

types of chemical hazards

Answer 4

corrosive
explosive
irritant
flameable
environment
toxic
oxidising

Question 5

where do u put dependant and independant on a graph

Answer 5

dependant y
independant x

Question 6

what did aristotle and ptolemy believe

Answer 6

earth was centre of the world while the sun and moon and 5 other planets orbited around it from east to west

Question 7

what do the modern scientist believe about the solar system

Answer 7

sun was the middle of the solar system while the earth was one pf the planets which orbited it and that every planet while orbiting the sun was in an eleptical circut while spining around its own axis

Question 8

What are the units of mass and weight?

Answer 8

mass-kg/g
weight-newton

Question 9

what are the planets in out solar system

Answer 9

mercury
venus
earth
mars
juipter
saturn
uranis
neptune

Question 10

what are stars

Answer 10

balls of fire which produce their own heat and light using nuclear fusion