| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.88 |
| Score | 0% | 58% |
Which of the following temperatures is least like the others?
-273°C |
|
32°F |
|
0K |
|
absolute zero |
Absolute zero is the coldest possible temperature in the universe. In the Kelvin scale, absolute zero is 0K and in the Celsius scale it is -273°C.
The connective tissue that connects bones to other bones at joints is called:
ligaments |
|
tendons |
|
knuckles |
|
cartilage |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
Which of these is matter than cannot be separated into different types of matter by ordinary chemical methods?
element |
|
compound |
|
atom |
|
molecule |
An element is matter than cannot be separated into different types of matter by ordinary chemical methods.
What part of the nervous system controls simple reflexes?
autonomic |
|
cerebrum |
|
medulla |
|
spinal cord |
The spinal cord connects the brain to the body's network of nerves. It carries impulses between all organs and the brain and controls simple reflexes.
The first step in the water cycle is:
precipitation |
|
reclamation |
|
infiltration |
|
evaporation |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.