Biology
The powerhouse of the cell
Mitochondria
What group is Lithium in?
Group 1
What type of force is air resistance?
contact force
Identify an object in this room that is magnetic
board wiper, tablet case, any other valid answers
How many bones does a baby have?
270-300
Name a specialised plant cell
Root hair cell
How to separate sand from water
Filtration
current flows __________ in a series circuit
in a single loop
identify an object that grows in this room
The students or teacher
What kind of energy do we need to survive?
Chemical energy
Where is bile produced?
Liver
The nucleus of an atom contains what?
Protons and neutrons
The total force affecting an object after all forces have been added together.
What is resultant force?
Litium has a mass number of 7 and it has an atomic number of 3. How many neutrons does it have?
4
What material is the centre of the earth made of?
Iron-Nickel
How is the small intestine specialised to absorb nutrients?
It contains villi which increase the surface area
What is the name of this compound? NaCl
Sodium Chloride
Name the forces acting on a skydiver
Air resistance, Gravity
I fell and broke a bone, what mineral do I need to help heal?
Calcium
Why do we have moon phases?
The rotation of the moon around the earth + rotation of earth around the sun
What is the role of the Vena Cava
it directs blood into the heart from the body
What does malleable mean?
It means the material can be shaped without breaking (hammering, pressing, molding)
Name 3 ways to decrease friction
Add lubricant (like oil), make surface smoother, Streamlining, reduce contact
why does a pencil stick to the wall?
All of the following: Paint warming, friction, static electricty, suction.
How many Volts of electricity does a plug have?
~230V