Acids & Bases
Citrus fruits is an example of this
Everyday acid
What do we call the substances on the left hand side of an arrow in a chemical reaction
reactants
a term for an organism that eats plants only
herbivore
What is the unit of current
Amps
What is the term for when water falls from clouds in the form of rain/sleet/snow
Precipitation
What is a substance that changes colour to tell you whether something is an acid or a base
Indicator
Name 2 factors that effect the rate of a reaction
temperature, particle size/ surface area, concentration
What is a habitat
a place where a living thing lives
Name the instrument that measures potential difference
Voltmeter
how long is a lunar cycle
28 days/ 1 month
What are the two colours Litmus can be
red and blue
name of a substance which can speed up a chemical reaction without being used up itself
catalyst
Name the two types of competition
contest and scramble
it will not light
How does earth experience seasons
hemisphere is tilted towards the sun for summer and tilted away from the sun for winter
what is the range of the pH scale
0-14
what is the identification test for carbon dioxide
extinguishes a flame or turns limewater from colourless to milky
Name the piece of equipment used to measure the percentage frequency of plants in an area
Quadrat
In a circuit with 3 bulbs wired in parallel with a 12V battery. Is the voltage across bulb 1:
a) 0V
b) 3V
c) 4V
d) 12V
d) 12V
what is the order of the positions of the earth sun and moon (from left to right) during a solar eclispe
Sun, moon, Earth
two substances produced when you mix and acid and a base
salt and water
What two substances are needed to produce hydrogen gas
hydrochloric acid and magnesium metal
soil temperature, soil pH, light intensity are examples of these
abiotic factors
How do you calculate resistance when given current and voltage?
voltage (÷) current