6th Grade Science Review 1 Question Preview (ID: 46822)
End Of Year 6th Grade Science In TN Review - Focus On Weather And Climate.
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Roundworms live in the gut and flesh of fish where they feed on nutrients from the intestines of the fish making the fish become weak due to lack of nutrients. What type of relationship do the fish and roundworm have?
a) commensalism
b) competition
c) mutualism
d) parasitism
In a food chain or web, how much energy passes from the plant to the primary consumer to the secondary consumer to the tertiary consumer?
a) 5%
b) 10%
c) 50%
d) 100%
The capacity to produce power from wind has increased over the past 20 years. Which statement provides a possible explanation for the trend?
a) because average wind speeds have almost doubled in the last 20 years
b) because the electricity it produces has a higher wattage for powering homes
c) because it is renewable and creates less air pollution than other forms of energy production
d) capacity for nearly all other forms of energy production has decreased
In its larval stage, the emerald ash borer, a flying insect, feeds on the inner bark of an ash tree. It was introduced to the United States from Asia. Which solution would best control the population without harming the native plants and environment
a) Capture and release emerald ash borers to their native habitats
b) Spray ash trees with insecticides
c) Release native wasps in ash tree forests to eat emerald ash borer larvae
d) Cover ash trees with nets to stop all types of insets from accessing the trees
A student observes the symbol H on a weather map. Which weather condition is often associated with this symbol?
a) rainy weather
b) fair weather
c) above average temperatures
d) below average temperatures
Region A is the ocean next to a mountain. Region B the other side of the mountain, a dry air desert. Which statement explains why the regions have different climates?
a) The mountain blocks the movement of wind
b) The mountain reduces heat transfer from region A and B
c) The mountain cast a large shadow on region B causing less plant growth
d) The mountain forces clouds to a high elevation where they lose moisture
Coffee is poured in a ceramic cup. The molecules in the coffee, ceramic cup, and surrounding air interact to transfer heat. What method of heat transfer does this demonstrate?
a) conduction
b) convection
c) radiation
d) emissions
An invasive fish species that feeds on native plants is introduced in the rivers of the US from another country. How will the invasive fish species most likely affect the ecosystems?
a) It will increase the water quality of the river
b) It will decrease the quantity of water in the river
c) It will lead to a decrease in native aquatic animals
d) It will lead to an increase in native aquatic plants
Researchers find the water table in an area is 30 feet lower underground that previously recorded. What are common reasons for the water table to be lower?
a) construction of dams and frequent flooding
b) increased growth of forests and formation of new lakes
c) severe forest fires and frequent earthquakes
d) overuse of wells and drought conditions
Deep ocean currents are mostly affected by
a) wind
b) sun
c) density
d) moon
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