Christmas
Word Equations
Experiments
Variables
Miscellaneous Science
100
What country do Christmas trees originate from?
Germany
100
Potassium and bromine react together to form potassium bromide
potassium + bromine --> potassium bromide
100
What colour is a "safety flame"?
Orange
100
What is the variable that YOU change?
Independent variable
100
What is the equation for calculating density?
Density = Mass / Volume
200
Santa has 9 reindeer. Can you name them all?
Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donner, Blitzen, Rudolph
200
Water can be split into hydrogen and oxygen
water --> hydrogen + oxygen
200
What does this hazard symbol mean?
Toxic
200
What is the variable you measure?
Dependent variable
200
What are the 7 processes of life?
Movement, respiration, sensitivity, growth, reproduction, excretion, nutrition
300
How do you say 'Merry Christmas' in Welsh?
Nadolig Llawen
300
Sulfuric acid and potassium hydroxide neutralise each other in a reaction to make potassium sulfate and water
sulfuric acid + potassium hydroxide --> potassium sulfate + water
300
What does this hazard symbol mean?
Corrosive
300
What is the variable that you keep the same to ensure fair testing?
Controlled variables
300
What is the cell structure that controls the movement of substances in and out of the cell?
Cell membrane
400
The North Pole is located in which ocean?
Arctic ocean
400
Magnesium chloride and hydrogen is made in a reaction between magnesium and hydrochloric acid
magnesium + hydrochloric acid --> magnesium chloride + hydrogen
400
What equipment should I use if I wanted to measure out 50 cm3 of a substance?
Measuring cylinder
400
In the catapult experiment, which was the independent variable?
Distance rubber band was stretched
400
The type of energy in a stretched rubber band
Elastic
500
How many presents in total were given in the 12 days of Christmas?
364
500
What is the word equation to represent the displacement reaction between magnesium and copper sulfate? Magnesium is more reactive.
magnesium + copper sulfate --> magnesium sulfate + copper
500
In the "making copper" experiment, there were 3 steps taken. What were those steps?
1) Heating copper ore
2) Adding sulfuric acid and putting it into the water bath
3) Removing from water bath and putting in iron nail
2) Adding sulfuric acid and putting it into the water bath
3) Removing from water bath and putting in iron nail
500
In the catapult experiment, which is the dependent variable?
How far the coin travelled
500
Write the COMPLETE definition of a compound
A substance made up of 2 or more different types of atoms chemically joined together