Human Reprodution And Genetics

Question 1

Potential energy

Answer 1

This is stored energy that
is just waiting to do work such as a coiled
spring or elastic band

Question 2

Kinetic Energy

Answer 2

The energy that moving
things have ie, a windmill turning or a car
moving

Question 3

Heat Energy

Answer 3

Heat is energy because it can
cause things to move
 Hot air causes a hot air balloon to rise, heat
in a steam engine moves trains!

Question 4

Light Energy

Answer 4

Light can move things in a
Crookes Radiometer or in a solar powered
calculator

Question 5

Sound Energy

Answer 5

If you put your head near a
loudspeaker you can feel that air being
moved by sound energy

Question 6

Electrical Energy

Answer 6

This energy can make
things like extractor fans move

Question 7

Chemical Energy

Answer 7

This is the type of energy
stored in fuels such as coal and oil, it is also
stored in the food we eat and in batte

Question 8

Nuclear energy

Answer 8

this energy is stored in the
nucleus of atoms

Question 9

Jack in the box

Answer 9

Potential energy
converted to Kinetic Energy

Question 10

Toaster –

Answer 10

Electrical Energy converted to
heat energy

Question 11

Chainsaw

Answer 11

Chemical Energy (petrol)
converted to kinetic energy

Question 12

Radio-

Answer 12

Electrical Energy converted to sound
energy

Question 13

Torch

Answer 13

Converts chemical energy to light
energy

Question 14

Bulb

Answer 14

Converts electrical energy to light
and heat energy

Question 15

Battery

Answer 15

• Converts Chemical energy to
  electrical energy

Question 16

Leaf

Answer 16

Converts light energy to chemical
energy in food

Question 17

Dynamo

Answer 17

Converts kinetic energy to
electrical energy

Question 18

Renewable Energy Sources

Answer 18

Renewable energy sources are constantly
being replaced by nat

Question 19

Non Renewable energy Sources

Answer 19

Can you think of examples of renewable
energy sources?

Question 20

Solar Energy

Answer 20

solar panels on buildings use
the sun’s energy to heat water

Question 21

Hydro Electric energy

Answer 21

Dams hold back
water and then let it drop onto a wheel to
turn a generator turbine to make electricicty

Question 22

Wind Energy

Answer 22

Wind can turn windmills which
generate electricity

Question 23

Wave energy

Answer 23

The movement of large floats
by the energy in waves could be used to
generate electricity

Question 24

Biomass Energy

Answer 24

Some plants produce oils
others can produce fuels such as alcohol and
methane gas

Question 25

Geothermal Energy

Answer 25

– The temperature under
the Earth’s surface increases with depth this
heat can be used to heat water in some
places

Question 26

ADVANTAGES OF RENEWABLE
ENERGY

Answer 26

Renewable Energy does not cause pollution
 They will not run out
 They are fairly safe to use

Question 27

DISADVANTAGES OF RENEWABLE
ENERGY

Answer 27

 They are expensive to develop and set up
 More research needs to be done into how to
make them good sources of energy