Ecology
Chemistry
Astronomy
Electricity
Mix
100
Is wind speed a biotic or abiotic factor?
Abiotic
100
What occurs when water is heated from -7°C to +7°C?
It melts
100
What type of galaxy is this?
Irregular
100
A series circuit has an inverse resistance. True or false..
False... parallel does.
100
Give the chemical name of Mg(OH)2
Magnesium hydroxide
200
Give the equation of photosynthesis..
CO2 + H2O + Energy = Glucose + O2
200
Which element has an atomic mass of 12.011 u?
Carbon
200
Can a low mass star end in a black hole?
No - white/black dwarf
200
A microwave has 25 Ω of resistance. In 4 minutes, it has 675 C pass through it. Calculate the power of the microwave.
11390625 W
200
Give the chemical formula for iron (II) sulphate
FeSO4
300
By hunting at different times of the day, owls and eagles avoid....
Competition
300
The formula of Glucose is C6H12O6. How many atoms are present in one molecule of Glucose?
24
300
Which is the smallest planet in the solar system?
Mercury
300
Gold is a good insulator or conductor?
Conductor
300
What organism classification would you give someone that is a vegetarian?
Primary consumers
400
A mushroom is known as a detritivore? True or false
False - decomposer
400
Is melting of an ice cube a physical of chemical change?
Physical
400
What is the name of a solar flare?
Coronal mass ejection
400
A parallel circuit has four loads of 2 ohms, 5 ohms, 8 ohms, 10 ohms. Calculate the equivalent resistance.
1.08 ohms
400
When looking at a circuit diagram how can you tell it is series?
One path
500
What is HOPIC?
Habitat
Over-exploitation
Pollution
Invasive species
Climate change
500
Draw a bohr diagram of Mg..
500
The process that provides a star with energy is nuclear fission? True or False
False.... Nuclear fusion
500
In a series circuit, the equivalent resistance is 5 ohms, and the total voltage is 3 volts. What is the current?
0.6 Amps
500
Which planet has rain that has a really low pH?
Venus