| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.60 |
| Score | 0% | 72% |
The gravitational interaction of Earth and the Moon is responsible for which of these?
seasons |
|
the northern lights |
|
day and night cycle |
|
tides |
Tides are caused by the gravitational interaction of Earth and the Moon.
Herbivores are __________ that subsist on producers like plants and fungus.
primary consumers |
|
tertiary consumers |
|
secondary consumers |
|
scavengers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
atom |
|
electron |
|
neutron |
|
proton |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
The heart __________ blood.
deoxygenates |
|
creates |
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oxygenates |
|
filters |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
The Earth's rocks fall into three categories based on how they're formed. Which of the following is formed when existing rock is altered through pressure, temperature, or chemical processes?
metamorphic |
|
sedimentary |
|
coal |
|
igneous |
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.