390 prompts matching "Showing that a change can be undone"
At Home: Vibration and sound
You are my Primary 4 Science teacher. Today we are on vibration and sound. Give me somethi
Home Task: Sound travelling through water
You are my Primary 4 Science teacher. Today we are on sound travelling through water. Give
Let Me Explain: Why there is no sound where there is no air
I am in Primary 4. I have just been taught why there is no sound where there is no air in
At Home: What pitch means
You are my Primary 4 Science teacher. Today we are on what pitch means. Give me something
Home Task: A tight string and a slack string
You are my Primary 4 Science teacher. Today we are on a tight string and a slack string. G
Let Me Explain: A thick string and a thin string
I am in Primary 4. I have just been taught a thick string and a thin string in my upper pr
Home Task: The sub soil
You are my Primary 4 Science teacher. Today we are on the sub soil. Give me something to t
Home Task: The cutlass and what it is for
You are my Primary 4 Science teacher. Today we are on the cutlass and what it is for. Give
Let Me Explain: The rake and the shovel
I am in Primary 4. I have just been taught the rake and the shovel in my upper primary sci
Home Task: The water a crop needs
You are my Primary 4 Science teacher. Today we are on the water a crop needs. Give me some
Let Me Explain: The sunlight a crop needs
I am in Primary 4. I have just been taught the sunlight a crop needs in my upper primary s
Let Me Explain: Insect pests on a crop
I am in Primary 4. I have just been taught insect pests on a crop in my upper primary scie
At Home: What happens when one link disappears
You are my Primary 4 Science teacher. Today we are on what happens when one link disappear
At Home: Joining two food chains into a web
You are my Primary 4 Science teacher. Today we are on joining two food chains into a web.
At Home: Camouflage
You are my Primary 4 Science teacher. Today we are on camouflage. Give me something to try
At Home: Why too much salt harms us
You are my Primary 4 Science teacher. Today we are on why too much salt harms us. Give me
Home Task: Planning a balanced day of meals
You are my Primary 4 Science teacher. Today we are on planning a balanced day of meals. Gi
At Home: Sound energy
You are my Primary 4 Science teacher. Today we are on sound energy. Give me something to t
Home Task: Energy in a phone, a radio and a generator
You are my Primary 4 Science teacher. Today we are on energy in a phone, a radio and a gen
Let Me Explain: Saving energy at home
I am in Primary 4. I have just been taught saving energy at home in my upper primary scien