Light & sound
Heat & light
Food webs
Homeostasis
Body systems
Body Systems .2
100
A wave vibrating in the same direction as the direction it is moving is a ...
a) transverse wave
b) longitudinal wave
b) longitudinal wave
100
Rainbows form when light is ____ ______ in raindrops
a) reflected and diffracted
b) reflected and refracted
c) refracted and diffracted
d) colour from the clouds
b) reflected and refracted
100
Name one apex predator in this food web
Owl or stoat
100
The maintenance of an organism's internal environment is called:
a) compensating
b) homeostasis
c) internal balance
b) homeostasis
100
What is the immune system's main purpose?
a) let's germs into the body
b) produces illness and bacteria
c) help fight off illness and disease
d) trap germs in and organ to stop spreading
c) help fight off illness and disease
100
Gas exchange between the blood and the outside occurs in which system?
a) lymphatic
b) respiratory
c) circulatory
d) integumentary
b) respiratory
200
X-rays, microwaves, radio and TV all use ....
a) light waves
b) sound waves
c) electromagnetic waves
d) ultra-violet rays
c) electromagnetic waves
200
Lenses that are thinner in the middle than in the edge are ....
a) convex
b) flat
c) round
d) concave
d) concave
200
What is the prey of a scorpion?
Insects
200
The ____ controls growth and homeostasis by secreting hormones from glands.
a) skeletal system
b) nervous system
c) endocrine system
d) integumentary system
c) endocrine system
200
What is the largest outer defense of the body?
a) stomach acid
b) cilia
c) mucous membranes
d) skin
d) skin
200
Elimination of waste and regulation of blood chemistry is performed by which system?
a) circulatory
b) digestive
c) urinary
d) endocrine
c) urinary
300
........ is when a ray of light hits a flat surface and reflects at the exact same angle.
a) rarefaction
b) convex
c) refraction
d) law of reflection
d) law of reflection
300
The point at which rays converge is called the ......
a) focus
b) focal point
c) point
d) point of intersection
b) focal point
300
Write down the longest food chain in this food web.
grass, grasshopper, squirrel, coyote / fox / hawk
300
Homeostasis in the human body is often maintained by a....
a) positive feedback loop
b) negative feedback loop
c) neutral feedback loop
b) negative feedback loop
300
What do white blood cells create to fight infections?
a) antibiotics
b) antibodies
c) antigens
d) leukocytes
b) antibodies
300
Which blood vessels carry blood to the heart?
a) aorta
b) arteries
c) veins
c) ventricles
c) veins
400
When a light wave 'bends' as it passes through a medium is...
a) refraction
b) rarefaction
c) reflection
a) refraction
400
Convection current is heat ....
a) staying in one place
b) moving in all directions
c) moving in a cycle
c) moving in a cycle
400
Write down the animals that are Apex predators and it's prey.
Apex Predators: Eagle, Python
Apex predators prey: rat, thrush bird, wolf, frog
400
When it is cold, we will shiver in order to....
a) decrease body temperature
b) keep body temperature the same
c) increase body temperature
d) increase blood pressure
c) increase body temperature
400
What is responsible for delivering oxygen and removing carbon dioxide from the body?
a) nervous tissue
b) respiratory system
c) excretory system
d) cell nucleus
b) respiratory system
400
Right side of the heart delivers blood to the ______ while the left side delivers blood to the _____
a) lungs; body
b) body; lungs
c) lungs; brain
d) brain; body
a) lungs; body
500
Pitch is determined by ....
a) wave type
b) wave amplitude
c) wave frequency
d) people singing
c) wave frequency
500
Mechanical waves move with particle collisions. In which medium would they move the fastest?
a) solids
b) liquids
c) gases
d) space
a) solids
500
What are decomposers "prey"?
a) decomposed things
b) dead things
c) dirty things
d) small insects
b) dead things
500
The term for maintaining internal temperature is....
a) thermoregulation
b) thermometer
c) homeothermal
d) homeostasis
a) thermoregulation
500
Name the levels of organization in the human body in order from smallest to largest:
a) cells, tissue, organs, organ system
b) cells, organs, tissue, organ system
c) tissue, cells, organ, organ system
d) organ system, organs, tissue, cells
a) cells, tissue, organs, organ system
500
What happens in your body temperature drops below 35 degrees?
a) hyperthermia
b) hypothermia
c) hypertonic
d) hypotonic
b) hypothermia