Btec Applied Science

what do sensory neurones do - Answer carry nervous impulses from receptors into the central nervous system (CNS) what do motor neurones do - Answer carry impulses from the CNS to the effector organs What do relay neurones do? - Answer relay neurones are intermediate neurones they recieve impulses from a sensory neurone and relay them to motor neurones what are dendrites - Answer carries nervous impulses towards a cell body what is an axon - Answer carry nervous impulses ...

What is a hypothesis? An Idea that you can test using practical experiments What are the Key features of a good hypothesis? A good Hypothesis must: Be able to be tested scientifically Relate one dependent variable to on independent variable What is a Null Hypothesis? States that there is no relationship or causality, for example, no relation between the temperature and the rate of reaction. What does qualitative data refer to? It refers to the appearance or value of so...

State what is meant by the term analogue signal (1 mark) - Correct answer-A signal that can have any value State what is meant by the term digital signal (1 mark) - Correct answer-A signal that has 2 values only which are 0 and 1.

What type of energy is used by a TV? - Answer Electrical What type of energy is produced by a guitar? - Answer Sound What type of energy is given off by a burning match? - Answer Heat and light What are the three types of mechanical energy? - Answer Kinetic, gravitational potential and elastic potential What type of energy is gained when something climbs up high? - Answer Gravitational potential What type of energy does a moving object have? - Answer Kinetic What ty...

this is BTEC APPLIED SCIENCE UNIT 4 ASSIGNMENT 4.3 DISTINCTION GRADE click for instant download

BTEC Applied science unit 14c isomers. I was the only one in my class that received a distinction, was also marked by Pearsons.

Define the amplitude of a wave - Answer The distance from the rest position to the top of the wave Define the period of a wave - Answer The time taken for one wavelength to pass a point Define the frequency of a wave - Answer The number of waves per second How many ms are in 1s? - Answer 1000 Define coherent light - Answer Coherent light has the same frequency/wavelength and is in phase Define a transverse wave - Answer The oscillations are perpendicular to the directi...

Describe the function of the nucleolus Produces ribosomes and RNA Describe the function of the cell wall Provides rigidity and protection to the cell Describe the function of the chloroplasts Site of photosynthesis as they contain chlorophyll Describe the function of the plasmodesmata A channel through the cell wall the allows transport of materials from one cell to another Describe the function of the amyoplasts Stores starch and converts starch back into glucos...

Ion - Answer another name for a charged particle (when an atom loses or gains electrons) Ionic Bond - Answer The strong electrostatic attraction between oppositely charged ions (positive ion and negative ion) Covalent Bond - Answer The strong electrostatic attraction between positive nucleii and the shared pair of electrons Metallic Bond - Answer The strong electrostatic attraction between positive metal ions and the sea of free electrons Molecule - Answer atoms joined by c...