Download Which kinds of waves can we use for cooking? How is cooking with

Which kinds of waves can we use for cooking?
What is the
difference
between
analogue and
digital signals?
How does your mobile phone use waves?
How are infra red waves used
for communication?
How is cooking with each type different?
Draw an analogue signal
What does “SPF” mean?
Uses of wireless
technology
Draw a digital signal
Give one advantage of wireless
communication
What are the advantages of
using digital signals for
communication?
Why is it important?
and one disadvantage.
Why is the hole in the
ozone layer a problem?
How does UV light affect your skin?
What is an earthquake and how are they detected?
What are the two kinds of seismic waves?
What can we do about it?
Diagram of the structure of the Earth
How are they different?
Draw diagrams to show their path around the Earth
Miss Coke. Claydon High School
How does double glazing work?
How does loft insulation work?
How does cavity wall insulation
work?
What is payback time?
What is the useful energy output from a TV?
Why is it important?
What is the wasted energy?
What is special about laser light?
An energy efficient bulb is 40% efficient. Draw a
Sankey diagram for the energy transformed by
the bulb.
What is the frequency of a wave?
What is diffraction? (diagram)
Find the speed of a wave with wavelength 0.50m and frequency 12Hz.
How are lasers used?
Draw a transverse wave. Label wavelength and amplitude.
How does an optical fibre
work?
What are the
units of:
Wavelength
Amplitude
What is refraction? (diagram)
List the electromagnetic waves, in order from longest
wavelength to shortest.
Frequency
Wave speed
What do they all have in common?
Miss Coke. Claydon High School
What is the difference between heat and temperature?
In what direction does
heat energy always
flow?
What are the units of:
Heat energy?
What does a thermogram show?
Water has a high specific heat capacity.
What does this tell you?
Temperature?
Label the graph
When ice melts, where does the energy go?
How does the type of surface affect
heating by radiation?
Define specific heat capacity
How does heat reach us
from the Sun?
Define latent heat
What happens to the
temperature of a material
when it changes state?
Calculate the amount of energy needed to melt 500g lead.
(Specific latent heat of fusion 24500J/kg)
List the four changes of
state.
Describe conduction (diagram)
Describe convection (diagram)
What materials
are good
conductors of
heat?
Calculate the energy needed to heat 1.5 kg water from 20⁰C
to 60⁰C. The specific heat capacity of water is 4200J/kg⁰C
Miss Coke. Claydon High School