Which animal has the longer gestation period, frogs or whales?
Whales
Tell me two changes which occur during puberty
taller, body hair, voice deeper, sweat more
What can we do to protect our skin from the effects of old age?
Wear sun cream, protect yourself from the sun
Tell me two changes which occur in old age
Hair becomes grey, vision gets worse, muscle loss, hearing decreases,
Which life stage does puberty happen? (Prenatal, infancy, childhood, adolescence, early adulthood, middle adulthood, late adulthood.)
adolescence
The process of changing from a solid to a liquid is called _______
melting
When we freeze a liquid, the particles move (faster/slower)
slower
What is the melting point of water? What is the boiling point?
0 degrees C / 100 degrees C
Which material has the higher melting point - butter or gold?
Gold
The water cycle - what is the name of the process where water leaves the sea and goes up to the sky?
evaporation
What is the scientific name for rain, snow and other forms of water that fall from clouds?
precipitation
Name 4 components that you could find on a circuit.
switch, buzzer, cell, motor, bulb
Electrical conductor or insulator - wood - metal - plastic - water
I C I C
Tell me one renewable energy source and one nonrenewable energy source
NR - coal, oil, natural gas (fossil fuels) R - wind, solar, geothermal
If I add more bulbs, the light gets dimmer (series circuit or parallel circuit)
Series Circuit
Tell me two ways to be SAFE around electricity and two ways to SAVE electricity
Safe - don't overload the sockets, be careful with water. SAVE - turn off the lights when not using, turn off the AC when not using
