Technology Flashcards
Look at picture of skeleton
See photos
What are skeletons made up of
Bone and cartilage
What are the three organs proud by the skeleton
Brain
Heart
Lungs
What part of the skeleton surrounds the heart & lungs
The rib cage
What is the main function of the skull
To protect the brain and softer parts of the face
What is the main function to of the backbone
To protect the spinal cord
What is the main function of the spinal cord
To send messages and signals from the brain to parts of the body
Where are the upper limbs of an animal attached
At the shoulder girdle
Where are the lower limbs of an animal attached
At the hip girdle
What are joints
Places in the body where bones meet
What does calcium do to benefit bones
Makes them harder and stronger
Name two places Where you find joints
Between the bones and where the bones are joined together
What do joints allow us to do
Allow us to have movement
Name two hinge joints and what they allow us to do
Elbows and knees
allow us to bend and straighten legs & arms in one direction
What is a material
It is something that has NOT been processed or changed
What is processing
It is about combining and changing materials into new and useful products
What are the 5 methods of processing and explain them
Mixing - combine solids, liquids and sometimes gasses with other things
Mixing & setting - can be used for mixing products that keep the shape they are set in like cement
Mixing & cooking - this is used for making food
Mixing &a cooling - is when you remove the heat from something, also useful for making food
Mixing, drying & frying - dying and frying were both ways of taking the water out of a mixture
What are the 4 properties of material
Colour
Texture
Hardness
State of matter
How are the properties of materials changed
By being processed
See photo for properties and uses (unit 6)
See photo
What are muscles
Parts of the body that can tighten and stretch
What is a frame structure
It is made up of pieces joined together, it supports or holds its shape
What is s shell structure
Skeletons on the outside of some invertebrates
