Nst Grade Four Flashcards
What is a pencil bag used for
Pencil bag is used to keep stationery inside it
Is Glass made from sand
Yes
What kind of Materials are solids are made from
Solids are made from rock ,glass ,plastic ,metal and hardened clay
What is a solid
A substance that has a fixed shape
What is a liquid?
A substance that does not have a fixed shape and can flow
What is gas?
A substance that has no shape and can move around freely
What is a flow?
The way liquid moves and spreads
What are the three states of matter ?
Solid,liquid and gas
What is the four properties of a solid
1: Fixed shape
2: Shape doesn’t change
3: No movement
4: Molecules are packed closely together
Give an example of a solid
Rock ,desk,door,ice
What are the properties of a liquid?
1,Flows
2: shape changes
3: No fixed shape
4: molecules can move
Give an Example of a liquid
Coke ,water
,baby, oil juice paraffin
what are the properties of gas
1: no shape
2: Moves freely
3: Can’t see it
4: Molecules move freely
Give an example of gas
Steam,smoke and air
What Is a stone
Holds a definite shape and it is a solid
What is wood
Holds a definite shape and it is a solid
what is a can of deodorant
Definite shape moves freely and is a gas
What is air in a balloon
It is a gas,has no definite shape
What is oil
It is a liquid and takes the shape of the container
What Is milk
Sousa liquid and it takes the form of the container it is in
What Is a plastic cup
Solid and it holds a definite shape
What is Cooking gas in a Cylinder
It is a gas with no definite shape and moves freely
What is Water
It is a liquid and take the form of Its container
What is Melting
Melting is a change of state from a solid to liquid
What Is evaporation
The Change of State from a liquid to a gas
What is condensation
Change of state from gas to a liquid
What Is solidifying
Change of state when liquid turns into a solid
What Is matter
Matter is Everything around us
what Is the definition of a solid
A substance that has a fixed shape
What is the definition of a liquid
Substance that does not have a fixed shape and can flow
What is the definition for gas
A substance that has no shape and can move around freely
What is the definition for flow
The Way a liquid moves and spreads
What are the properties of a solid
Has a fixed shape shape doesn’t change no movement molecules are packed closely together
What are the properties of a liquid
Flows, shape changes, no fixed shape ,molecules can move
What Are the properties of gas
No shape ,moves freely, you can’t see gas ,molecules move freely
THE
END
What is a manufactured material
A manufactured material is something a person made
What is a raw material
A raw Material something that people can’t Make.
True or False
WOOD is a manufactured material
False
True Or false
A Coin is a role material
False
What is a river habitat. List 5.
- Fresh water
- Temp doesn’t change
- Plants grow in the water
- birds catch fish
- frogs and fish lay eggs
- animals live in the water and above it.
What is a sea habitat. List five.
- salty water
- temp does not change much
- many types of animals live in the sea
- they eat things in their habitat (sharks eat seals)
- octopus hides under rocks
- fish lay eggs in water
What is a grassland habitat? List 5
- lots of types of grasses and few trees
- enough rain for grass but not trees
_ rain falls in summer - many grazing animals (impalas, buffaloes and zebras)
- predators that eat the grazing animals also live here.
What is a Forest habitat?
List 5.
- lots of trees and small plants
-Rain all year round
-Many birds live in forest
Smaller animals too (monkeys, bush pigs, dunkers). They eat leaves and fruit and seeds that fall from trees. - bush pig and monkey eat insects, worms and lizards.
- good place to hide from predators (leopards and eagles).