What is the nervous system?
It’s the system that receives and processes information in animals.
What are the parts of the nervous system?
Peripheral nervous system and central nervous system.
What are the sensory organs?
Skin, ear, tongue, nose and eyes.
What is refraction of light?
It’s the change of the direction of lightwaves when they move from one medium to another.
What is reflection of light?
It’s a lightwave bouncing from an object that doesn’t absorb its radiation.
What is the function of roots?
Absorbing water.
What is the function of stems?
Supporting the plant and transporting nutrients.
What is the function of leaves?
Creating food for the plant.
How do animals get food, space and oxygen?
Food: by hunting. Space: by claiming territories. Oxygen: from the air.
What is a landform?
It’s any of the shapes of land.
What is a valley?
The flat part between two mountains.
What is a plateau?
It’s a flat elevation.
What is a desert?
It’s an area of land where rain isn’t common.
What is a tributary?
It’s when a stream or river connects with a larger body of water.
