Atoms
All matter is made from ______
atoms
The mouth, oesophagus, and stomach are all parts of which system?
The digestive system
The top of the wave (the highest point) is called the _____
crest
The law of conservation of energy states that energy can never be created or ________.
destroyed
Electric current is measured in _____ (A), named after André Ampère.
Amps
In the present model of the atom, the nucleus is made up of protons and ________
neutrons
Which two body systems are involved in inhaling oxygen and exhaling carbon dioxide?
The circulatory and respiratory system
The height of the wave (distance between the origin and the crest) is called the _________
amplitude
The study of stars and space
Name 3 necessary components of electric circuits:
power supply, load, conducting path
The scientist that disproved the plum pudding model of the atom by their gold foil experiment was ____________
Ernest Rutherford
Conditions inside the human body remain fairly constant despite changes in the external environment. This is known as ___________
homeostasis
Sound waves are an example of a ___________ wave.
compression/longitudinal
Give 3 examples of renewable energy sources.
hydro, solar, wind, geothermal, wave/tidal, biomass
There are two ways that components can be connected in a circuit, series and ________
parallel
Atoms that have the same number of protons but which differ in how many neutrons they have are called ________
isotopes
The nervous system is composed of the CNS (the brain and spinal cord) and the PNS (the nerves that connect the CNS to the rest of the body). What does CNS stand for?
Central Nervous System
In a sound wave the frequency determines its _____, the amplitude determines its _______
pitch, loudness
Which famous scientist was born on Christmas day?
Isaac Newton
Substances which do not conduct electricity are called electrical _________
insulators
The rate at which radioactive isotopes decay is described by its ______, which is the time you would need to wait for half of the amount of the radioactive material to decay.
half-life
Diseases can be classified into two main categories: infectious and non-infectious. Infectious diseases are caused by _________
pathogens (bacteria, viruses etc.)
List the types of waves on the electromagnetic spectrum from longest wavelength to shortest:
Radio, microwave, infrared, visible, ultraviolet, X-rays, gamma rays
How many minutes does it take light to travel from the Sun to the Earth?
8 minutes
for a constant resistance, an increase in voltage will produce and increase in ________
current