Physcial change
How many states of matter are there?
3
What is chemical change?
A new substance is made.
What process do plants use to make their own food using sunlight?
Photosynthesis
On which continent is the Amazon Rainforest located?
South America
Name 2 physical changes
melting, freezing...
True or false: Chemical change is reversible.
False
What is the largest ocean on Earth?
Pacific ocean
How many years are in a century?
100
Give 3 examples of physical change
any example...
Give 3 examples of chemical changes
Rust, cooking...
Which mammal is known to be the largest animal ever to exist on Earth?
Blue Whale
Which country has the largest population in the world?
India
What is the name of the change from solid->gas and gas->solid
Deposition and sublimation
Give 3 examples of chemical change observations
Change in colour, smell of food, bubbles...
Which planet in our solar system is famously known as the "Red Planet"?
Mars
What is the fastest land animal in the world?
Cheetah
Draw all the physical changes on the board, from solid, liquid and gas.
draw correctly...
Name 2 substances that can dissolve in water
salt, sugar, oxygen, alcohol...
What main organ pumps blood through the human body?
Heart
How many colours are in a standard rainbow, and can you name them all?
7 colours (Red, Orange, Yellow, Green, Blue, Indigo(purple), Violet(pink).