Science revision cards Flashcards
(31 cards)
In a food chain, what is a producer?
A plant that makes it’s own food
What is a herbivore?
A consumer that eats plants
What is a carnivore?
A consumer that eats meat
What is an omnivore?
A consumer that eats plants and meat
What do the arrows show in a food chain/web?
The direction of energy flow. ‘is eaten by’
Some animals are nocturnal, this means that ..
they have adapted to hunt and feed at night.
Some animals sleep through the cold winter months when food is scarce. What term do we use to describe this?
Hibernation
What is migration?
Traveling long distances to find food or suitable breeding grounds
What does a classification key help us do?
Identify the living things that we find. They are based on important differences between types of animal or plant.
What is an insulator
something that does not conduct heat or electricity.
What is the definition of see through?
transparent
What temperature does water boil at?
100 degrees celcius
What is the freezing point of water?
zero degrees celcius
Ice melts at ..
zero degrees celcius
condensation is ..
the change of state from water vapour to water
A balanced diet is..
one that contains all the necessary nutrients in the right quantities to keep you healthy
carbohydrates are needed for..
energy
protein is needed for..
growth and repair
fats and oils are needed in the diet for..
warmth, insulation and as an energy store
Fibre is needed in your diet to..
clean your digestive system and help food move through.
What is sound?
a vibration
Why can’t sound travel through a vacuum?
Because there are no particles to vibrate. Sound can travel through liquid, solid and gas.
What is pitch?
How high or low the sound is
What happens to pitch if the string is thinner on an instrument.
The thinner the string, the quicker it vibrates and so the higher the pitch.
