Biology
Nutrients plants need to survive
Magnesium and Nitrates
What is force?
What are the squares of a periodic table called?
Periods
What are the 3 main particles that makes up an atom?
Protons , Neutrons and Electrons
What is a series circuit?
It has only one electrical path.A series circuit is a circuit that you don't have to lift your finger up when tracing it.
What gives plants their green colour?
Chloroplasts
What are balanced and unbalanced forces?
Balanceed forces are when the forces on an object are equal or zero. Unbalancd forces are when the forcs are not balanced, making the object move.
What are the subatomic particles in an atom?
Protons, neutrons, electrons
What is the function of the Mitochondria?
Generates energy for the cell via respiration. It is the powerhouse of the cell.
What is a parallel circuit?
A parallel circuit is a circuit with more than one electrical path. You have to lift your finger to trace it.
What is the function of root hair cells?
Take in minerals and water from the soil
What is the formula to find the weight of an object?
Weight = Mass x Gravity
What is Ionic Bonding?
Giving or taking atoms from a metal atom to a non-metal atom.
What does MRS GREN stand for?
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition
What is Ohms Law?
Resistance = Voltage / Current
What is transpiration?
Loss of water vapour through leaves
Difference between qualitative and quantitative terms
Qualitative means you can describe how it moved using words like quickly, in a straight line
Quantitative means you can describe how it moved usng accurate meeasurements.
What is Covalent Bonding?
Sharing atoms between non-metals
What is a mixture and what are the 2 types of mixtures? What is an alloy?
Two or more substances combined. 2 types of mixture are heterogenous and homogenous. An alloy is 2 metals mixed together.
What do you use to make an electromagnet?
Coil
Battery
Screw
What is xylem?
Special tissue that transports water and minerals
What does GUESS stand for?
Given
Unknown
Equation
Substitution
Solution
What is the difference between chemical and physical changes?
Chemical changes are when 2 or more substances ar mixeed and change into a new substance.
Physical changes are when there is a change of appearance but it doesn't result in a new substance.
List the first 20 elements of thee periodic table in order.
Hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, argon, potassium, calcium.
What is elctromagnetic induction?
Using mechanical energy to generate electricity using a battery, coil and a magnet.