Genetics and Evolution
What are the 2 types of variation
Environmental and Inherited
Chemical changes make new...
What force is generated when you rub your hands together?
Friction
Name the 4 plant organs
Roots, Stem, Leaf, Petal
What are the units of energy?
Joules
Where is DNA in an animal/plant cell?
Nucleus
Give an example of a very reactive metal.
Potassium
Is upthrust a contact or non-contact force?
Contact force
Where does most photosynthesis happen?
Leaves
What type of energy is stored when a car reaches the top of a ramp?
GPE
When no members of a species remains on Earth.
Extinction
Conservation of Mass
What are the units of force?
Newtons (N)
What 3 things do plants need for photosynthesis?
Water, Carbon Dioxide and Light
Is kinetic energy an energy store or transfer?
Store
46 or 23 pairs
Copper Oxide + Magnesium --> Magnesium Oxide + Copper
What is this reaction?
Displacement Reaction
What is the equation for speed?
Speed = Distance/Time
What process in the carbon cycle releases carbon dioxide fossil fuels?
Combustion
Give three other examples of energy stores (not kinetic or GPE)
EPE, Chemical, Thermal
Survival of the fittest is the phrase that describes what evolutionary theory?
Natural Selection
What term means extracting metals using electricity?
Electrolysis
A bus travelled a distance of 20 km in 2 hours. Its speed was...
10 km/h
Photosynthesis produces glucose, what is it stored as?
Starch
Energy transfer is also known as...
Work done