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