The result of people littering or of gas emissions.
What is pollution?
Food that is cooked and served very quickly.
What is fast food?
What is a solid?
The third planet from the sun.
a hard and tough metal
What is steel?
Why are some countries in danger of disappearing under water?
Because the icebergs are melting
A disease involving an excessive amount of body fat.
What is obesity?
A state of matter that you can pass through.
What is liquid?
What is Mercury?
a silvery-white metal
What is tin?
When the normal temperatures of every part of the world keep changing.
What is climate change?
Food that doesn't contain milk products.
What is dairy-free?
A state of matter that has loose particles.
What is a gas?
The second biggest planet in our solar system.
What is Saturn?
A robot made for the purpose of being sent to space
What is a rover?
When it isn't raining for a long time, the soil gets dry and people can't grow food.
What is drought?
A chain of stores opened in many parts of the country/world.
What is a franchise?
The 3D space occupied by a solid, liquid or gas
What is volume?
A planet famous for a big red spot on it.
What is Jupiter?
A flying robot that can be controlled
What is a drone?
When some sunlight hits the Earth, it reflects and becomes heat.
What is the greenhouse effect?
A unit of energy (people get from food and drinks).
What are calories?
The resistance of a fluid to change in shape.
What is viscosity?
The hottest planet in our solar system.
What is Venus?
The software that makes robots think for themselves
What is artificial intelligence?