Electricty
Ecology
Chemical reactions
General Knowledge
100

The flow of electic charge is called?

Current

100

What biome is known for tall trees, high rainfall and greatest biodiversity?

Rainforest

100

A substance that speeds up a chemical reaction without being consumed is a? 

Catalyst 

100

The sport played with a hoop and a ball?

Netball 

200

The unit of electrical resistance is?

ohms

200

In a food chain these organism are always the first step, converting sunlight into energy.

producers

200

The starting materials in a chemical reaction are called?

Reactants

200

The fifa world cup is the biggest tournament in what sport

Soccer

300

The scientist who discovered the relationship between voltage, current and resistance is? 

Georg Ohm

300

What biome is characterised by permafrost, low temperatures, and short growing seasons.

tundra

300

Substance formed in a chemical reaction are called?

Products 

300

The super bowl is the championship game of?

NFL

400

The device used to protect circuits from overloading is?

Fuse/Circuit breaker. 

400

Excessive nutrients from fertilizers washing into rivers causes what?

eutrophication

400

A reaction that releases energy in the form of heat is called?

Exothermic

400

Tour de france is a famous race in what sport?

cycling 

500

The semiconductor device that amplifies or switches electronic signals is a?

Transistor
500

The Amazon rainforest is often called this because of it's immense varity of species.

Lungs of the Earth

500

A hydrocarbon reacting with oxygen to produce carbon dioxide and water is called?

Combustion 

500

The tennis player with the most Grand slam titles is?

Novak Djokovic