| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.62 |
| Score | 0% | 72% |
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
brainstem |
|
cerebrum |
|
cerebellum |
|
medulla |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
In the metric system, what prefix represents 10-3?
kilo |
|
centi |
|
mega |
|
milli |
In the metric system, milli is the prefix for 10-3.
Changes to an object's speed or direction of motion are caused by which of the following?
work |
|
a force |
|
kinetic energy |
|
power |
Force is applied to change an object's speed or direction of motion.
Which of the following is sedimentary rock?
obsidian |
|
basalt |
|
sandstone |
|
slate |
The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
spiny |
|
sentient |
|
vertebrate |
|
arthropod |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.