Simple Chemical Reactions
Name 3 signs of a chemical reaction
Odor, Colour change, Bubbling/Fizzing, Temperature change, Sound, Preciptation
Name three energy stores
Gravity potential, Elastic potential, Kinetic, Chemical, Thermal, Magnetic, Electrostatic & Nuclear
Name one change that girls or boys experience during puberty
Boys: voice change, body hair, mood swings, muscle mass, growth, shoulder widen, testosterone level rise, sperm production starts
Girlds: body hair, breasts develop, hips widen, oestrogen level rise, menstrual cycle begins,
How long does it take the Earth to orbit the Sun
365.25 days
What is Miss Armitages dog called?
Giles
What three things are required for combustion
Heat, Fuel & Oxygen
Name one energy transfer pathway
heating, mechanical, radiation and electrical
What is it called when an egg cell and sperm cell fuse
Fertilisation
How many planets are their in the solar system
8
What elective did Miss Armitage run in the Summer term
Forensics
limewate turns cloudy
Give one example of a non-renewable energy resource
Coal, oil, gas,
Sperm and egg cells have a haploid nucleus. What is a haploid nucleus.
What is the Solar system
Everything that orbits the Sun
What is Miss Koroma's and Miss Armitage's favourite colour? (it is the same)
Purple
What is an exothermic chemical reaction
A chemical reaction where energy is released in the form of heat and/or light
What happens to the thermal energy store of a lit candle?
It decreases as it dissapates into the surroundings (via the heating pathway)
What is the function of the embroyonic sac during preganancy.
What causes the seasons on Earth
The tilt of the Earth.
What sweet food does Miss Koroma not like?
Choclate
What is a catalyst?
A substance that speeds up a chemical reaction without being used up
Why does a bouncing ball not bouce forever?
Becuase the kinetic energy of the ball, dissapates to the surrounding via sound and heat
What cells in the fallopian tubes help move the egg cell along the fallopian tubes.
Cilliated epithelial cells
What is a solar eclipse
When the moon is inbetween the sun and the earth
What team sport does Miss Armitage enjoy to play in her free time?
Netball