A) heart B) lungs C) kidneys D) sweat glands
A) compression B) trough C) crest D) amplitude
A) longitudinal wave B) electromagnetic wave C) transverse wave D) node
A) Bottom B) They have the same frequency C) Top D) You can't tell frequency from these diagrams
A) ultraviolet light B) x-rays C) radio waves D) microwaves
A) increases, decreases B) decreases, increases C) stops, restarts D) starts, stops
A) always creates an inverted image B) always creates a virtual image C) can create a virtual or real image D) always creates a real image
A) it reflects blue and yellow B) it reflects every colour of light except green C) it is recyclable D) it absorbs every colour of light except green
A) 0.2 Hz B) 12 Hz C) 0.5 Hz D) 5 Hz
A) 800 B) 20 C) 100 D) 2
A) liquids B) space C) solids D) gases
A) Light that bounces back is reflected B) Light travels in a straight line C) Light that bends is refracted D) Light can pass straight through an opaque surface.
A) scatter light rays that hit them B) are always opaque C) reflect light waves in a single direction D) produce curved reflections, like funhouse mirrors
A) concave B) reflective C) convex D) diverging
A) refracts inwards and through the lens' focal point B) refracts outwards as if originating from the lens' focal point C) reflects straight back to the object D) goes straight through, continuing parallel
A) iris B) sclera C) lens D) cornea
A) nose B) skin C) eye D) tongue E) ear
A) itching B) goosebumps C) blinking D) sweating
A) retina B) pinna C) eardrum D) cochlea
A) blind spot B) optic nerve C) auditory nerve D) motor nerve
A) Central Nervous System B) Upper Nervous System C) all of these D) Peripheral Nervous System
A) axon terminal B) axon C) dendrite D) nucleus
A) regulating emotion B) involuntary movements C) interpreting senses D) intelligence
A) axon terminals B) neurotransmitter C) meninges D) hormones
A) sensory receptors B) stimuli C) sensory nerves D) motor nerves
A) cardiac B) smooth C) long D) skeletal
A) contract to cause movement B) protect internal organs C) support the body's organs D) storage and production of blood cells
A) ligament, tendon B) tendon, joint C) tendon, ligament D) ligament, vertebra |