WorksheetsUnit 4 Test Review-Science
Total questions: 10
Worksheet time: 5mins
Based on the rate of trash production, how will the amount of trash being produced change from now until 2025?
The amount of produced trash will increase.
The amount of produced trash will decrease.
The amount of produced trash will stay the same.
There is no trash produced in the world.
What is the difference between a renewable and a nonrenewable resource?
Nonrenewable sources are unlimited, while renewable sources are fixed.
Nonrenewable sources are fixed, while renewable sources are unlimited.
Nonrenewable sources are underground, while renewable sources are above ground.
Renewable and nonrenewable sources are the same thing.
If a natural resource had disappeared, which of these would be affected?
Humans
Plants
Animals
All organisms
What could happen if the human population exceeded Earth's carrying capacity? (Choose the best answer)
We would run out of plants and animals.
The Earth wouldn't have enough space to put everyone on.
We would run out of valuable resources like food and water.
The world would be a better place.
What can you conclude by the fact that about 40% of United States' food is wasted yet about 30% of Africa is starving?
Food sources are distributed unevenly and Africa does have enough food or water to supply their population.
Food sources are distributed unevenly and Africa doesn't have enough food or water to supply their population.
Food sources are distributed unevenly and Africa doesn't have enough plants or animals to supply their population.
Food sources are distributed evenly and Africa does have enough food or water to supply their population.
How are fossil fuels taken from the Earth?
They are formed and found by giant craters in the Earth.
They are crafted by humans underground.
They are out from the depths of the ocean.
They are mined through wells and mines.
What would be the best source of renewable energy for Las Vegas?
Solar Energy
Biomass Energy
Fossil Fuels
Wind Energy
Gems that had formed near volcanoes sometimes can be found within rocks that are older than them. Why does this happen?
The gems had been pushed away by water.
The gems had been uplifted over the rocks.
The rocks were eroded exposing the gems.
The gems were pushed up by magma.
How can sediments (Ex. sand and mud) form into a rock?
They had a bunch of pressure on them from being buried deep underground .
They compact and cement together underground.
They get weathered into tiny pieces and erode away.
They erupt and then cool and harden into a new rock.
How do igneous rocks form?
The rock melts and then cools and hardens into an igneous rock.
A lot of heat and pressure on the rock changes it into an igneous rock.
The rock gets compacted and cemented into the Earth which changes it into an igneous rock.
The rock gets weathered and eroded away which forms an igneous rock.
