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