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