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WorksheetsScience 6
Total questions: 15
Worksheet time: 8mins
A substance made from a single type of atom is called . . . .
particles
molecules
compound
element
A . . . is a group of two or more atoms held together by chemical bonds
particles
molecule
compound
element
A substance made from two or more different elements linked together is called a . . . .
particles
molecule
compound
element
A chemical reaction powered by an electric current is called . . . .
electrolysis
chemical reaction
oxidised
bonds
An . . . is a base that dissolves in water.
acid
alkali
salt
neutralises
An . . . is a substance that reacts with metals and base to produce a salt.
acid
alkali
element
indicator
The majority of elements are . . . .
alloys
carbons
metals
duralumins
A supercontinent, which has separated to become the continents we know today is called . . . .
Mesozoic
Eon
Era
Pangaea
. . . are the scientist who study rocks.
Meteorologist
Gastronomist
Geologist
Alchemist
The . . . era was the age of the dinosaurs.
Mesozoic
Cenozoic
Paleozoic
Periods
. . . is the buried remains of a living thing that have turned to stone.
Radioactivity
Sedimentary
Adapt
Fossil
How do we know how old the earth is?
By measuring the fossil.
By measuring the radioactivity of rocks.
By studying the evolution of the elephants.
By studying the life of dinosaurs.
The scientists who measure the conditions that describe the weather is called . . . .
Meteorologist
Anthropologist
Geologist
Gastronomist
What makes the wind blow?
The differences of weather.
The differences in air pressure.
The differences of temperature.
The differences of the wind speed.
. . . are massive storms of swirling air.
Weather
Wind
Cyclones
Temperature
