Pollution and Environment
...............makes our environment dirty and affects the health of living things.
pollution
Are made up of dust and smoke particles.
haze
It takes..........hours for the Earth to spin on its axis once.
24
A ............. is an object in space that orbits a planet.
satellite
recycle
When a plastic bag is thrown into the ocean, marine animals may eat it and die when they ...........on it.
choke
Are sites where waste is buried.
landfills
The ..................orbits the Sun.
Earth
The Earth's natural satellite is ...............
Moon
Give 2 human activities that contribute to global warming.
They are substances that harm the environment.
pollutants
They are coal and petroleum burnt to provide energy.
fossil fuels
Earth orbits the Sun in an ............. direction.
anticlockwise
The Moon takes about ...........month to orbit Earth once.
one
Name two ways humans can reduce global warming.
.............. is one of the main pollutants of the environment.
plastic
When air pollutants and other chemicals dissolve in rainwater, ...............is formed.
acid rain
The shape of the Earth's orbit is slight .............
ellipse
The Sun is a satellite of the Earth. True or False?
False
Who discovered four of Jupiter's Moons in 1610?
Galileo Galilei
Pollution happens when
harmful or poisonous substances are put into the environment.
The rise in the average temperature of the Earth.
global warming
The axis of the Earth is ............
tilted
One of the four periods of the year: spring, summer, autumn, winter
seasons
The complete name of the satellite that has laboratories where astronauts carry out research and experiments, which cannot be carried out anywhere else.
International Space Station