Science Baseline Test Term 2

About _____________of the world's water is salty ocean water.

• 12 percent

• 43 percent

• 47 percent

• 97 percent

What will most likely happen if lake water becomes polluted by humans?

• Animals in the lake will die

• There will be more fish in the lake

• The pollution will not hurt the plants or animals in the water

• It will change the soil around the lake into pebbles

Which is an example of a process in the geosphere that causes slow changes?

• Earthquakes

• Erosion and weathering

• Volcanoes

• landslides

All water on earth is recycled through _______________

• The water cycle

• Pockets of nitrogen

• Exhaled gases

• Dead plant and animal matter

How is erosion an effect of the hydrosphere?

• Erosion can be caused by precipitation

• The movement of glaciers causes erosion

• The hydrosphere contains all of the land on Earth

• Erosion is the removal of rust

Lakes and reservoirs are sources of:

• Standing fresh water

• Running fresh water

• Salt water

The causes of oil spills pollution is:

• Fertilizers used on farms

• Releasing oil from shipment

• Burning fossil fuels

• Acid rain

Earth’s surface is made of large moving pieces, called:

• Lave

• Magma

• Plates

• Minerals

Most volcanoes are found on the:

• Ocean floor

• Land

• Mountain

Sudden movement of a large amount of rocks and soil down a slope called:

• Earth quick

• Landslide

• Volcanic