Materials
Light
Diet
Ecosystems
Random
100
What is the name for the tiny things that make up all matter?
Atoms
100
What is the name for when light bounces off a surface?
Reflection
100
Why do we need protein?
For growth and repair
100
What is an ecosystem?
A group of living things living in 1 place that interact with each other
100
What gas do we need for respiration?
Oxygen
200
What is the name for something made of only 1 thing?
Pure/element
200
Of solids, liquids and gases which one will light travel the slowest through?
Solid
200
What is fat used for?
Storing energy / keeping warm
200
What type of climate is Shenzhen?
Tropical
200
What process do plants use to make food?
Photosynthesis
300
What is the charge of an electron?
-1
300
Why does a straw look bent when in water?
Because of refraction
300
What does a purple result from a starch test suggest?
The food contains starch?
300
Who is most affected by Bioaccumulation in a food chain?
Apex predator
300
If something is moving at a constant speed describe the forces acting on it
Balanced forces
400
List one way we can separate materials such as dyes or inks
chromatography
400
Which galaxy do we live in?
The milky way
400
What do we need fibre for?
To help our digestive system
400
Why is an invasive species bad?
They can damage ecosystems
400
Which blood vessel allows gas exchange in the alveoli
Capillaries
500
List the 3 subatomic particles
Electrons, protons, neutrons
500
List all the colours in visible light
Red, orange, yellow, green, blue, indigo, violet
500
What is the measure for how much energy food contains?
Calories
500
What is the difference between a food chain and a food web?
A food chain is a single path while a food web has multiple
500
What is a saturated solution?
A solution where no more solid will dissolve