Energy and Change Flashcards
Describe how humans get energy from milk.
The sun provides energy for plants to grow.
The cows gain energy by eating the plants.
The milk from the cows contain energy that is transferred to people when they drink the milk.
Define energy
Energy is the ability to do work.
Define a producer
A living thing that makes its own food.
Define a consumer
A living thing that can’t make its own food and gets energy from eating a producer’s food.
Define a decomposer
A living thing that gets energy from breaking down dead plants and animals
Name 4 types of energy
Sound energy
Light energy
Heat energy
Movement energy
What is a fossil fuel?
Remains of plants and animals that can be burnt to release energy.
Coal and oil.
What are renewable energy sources?
Energy sources that won’t run out like the sun and the wind.
What are non-renewable energy sources?
Energy sources that will eventually out like oil and coal.
What is input and output energy?
The energy out into a machine is called input energy and the energy that the machine gives off is called the output energy.
What is the main source of all energy on earth?
The sun
What is a carnivore?
An animal that eats meat
What is a herbivore?
An animal that eats plants
What is an omnivore?
An animal that eats both plants and meat
All living things need what to live?
Energy
Plants use what to make their own food?
Energy from the sun
Plants get water and other _______ from the soil.
nutrients
What types of energy are there?
Stored energy, movement energy, heat energy, solar energy, chemical energy, sound energy, electrical energy, and light.
Name the parts of the ear.
Outer ear, earlobe, auditory canal, ear drum, anvil, hammer, stirrup, cochlea
Copy and paste:
https://www.nde-ed.org/EducationResources/HighSchool/Sound/humanear.htm
Describe how you hear something.
Sound waves through the air;
Outer ear catches the sound and sends it into auditory canal;
Waves reach eardrum and make it vibrate;
Vibrations travel through tiny bones called anvil, hammer, and stirrup in your middle ear;
Vibration travels through inner ear;
Nerve takes message to your brain;
Your brain “hears” sound.
What are nutrients?
Nutrients are substances in food that living things need to live, to grow and to stay healthy.
What is the energy chain?
The order in which the energy goes from sun to plant or animal.
What is energy transfer?
The process by which energy goes from one part of the energy chain to another.
What would happen if there was no sun?
There would be no food - and we would all freeze.
