Grade 5 EOT 2 Revision

which of the following best defines climate?

• rainstorms that include lightening and thunder

• large region of air that has a similar temperature and humidity

• a condition of the atmosphere at a given place and time

• the average weather pattern of a region over time

which of the following best defines erosion?

• very cold places with thick sheets of ice

• a place that floods easily when river water rises

• the process of eroded materials being dropped off in a new place

• the process of weathered rocks moving from one place to another

why is it important to clean, conserve and protect water?

• water is expensive

• water is a living thing

• water can be frozen

• water is a limited resource

what can you do to help conserve water?

• take short showers instead of a long bath

• grow plants that require a lot of water

• turn on the water when you brush your teeth

• wash your clothes using long programs

which of the following is one way in which humans pollute the hydrosphere?

• fishing

• using fertilizers

• going on a paddle boat

• cleaning up an oil spill

how are glaciers and oceans different?

• oceans have salt water but glaciers have fresh water

• oceans have fresh water and glaciers have salt water

• oceans are difficult for humans to use and glaciers are easy for humans to use

• oceans are easy for humans to use and glaciers are difficult for humans to use

a scientist is creating a plan to prevent further acid rain damage to the ecosystem shown in the picture. What should the scientist include in the plan?

• ask people to drive more instead of walking or biking

• develop vehicles that burn more gasoline per mile driven

• develop vehicles that use renewable energy instead of fossil fuels

• use more cars that use fossil fuels

less than 1% of Earth's freshwater is available for humans and animals to use. Where is the majority of the remaining freshwater?

• in ice caps and glaciers

• in the atmosphere

• in the oceans

• in lakes and rivers

what earth system is responsible for what is happening in the picture?

• biosphere

• geosphere

• hydrosphere

• atmosphere

what can you infer about the percentage of ground ice and permafrost if the table below shows all sources of fresh water (100%)?

• the percentage of ground ice and permafrost is the same as groundwater

• the percentage of ground ice and permafrost is greater than any other source

• the percentage of ground ice and permafrost is less than any other source

• the percentage of ground ice and permafrost is the same as lakes and rivers