8th Grade Midterm Review

What month is it?

• November

• December

• January

• February

Where is most of the fresh water on Earth located?

• in the oceans

• in polar ice caps

• in rivers and streams

• in ground water

Most of the energy that we consume comes from which resource?

• solar energy

• nuclear energy

• fossil fuels

• hydroelectric energy

Thermal energy of an object increases when...

• The object's speed increases

• The object's temperature increases

• The object's speed decreases

• The object's temperature decreases

How can tectonic action affect climate?

• Landmasses change shape creating mountains and coastlines

• Volcanoes may erupt, adding more gases to the atmosphere

• Continents can move/shift,affecting solar radiation received

• All of these

T or F: Tables are only used for data that cannot be graphed

• True

• False

Which type of elements are malleable and good conductors?

• metalloids

• metals

• nonmetals

• noble gases

Which of the following is an example of a stimulus?

• heat

• sound

• light

• all of these are examples

Atoms with only 1 valence electron will react most readily with...

• atoms that are 1 valence electron short of a full shell

• atoms that have no valence electrons

• other atoms that have only 1 valence electron

• atoms that have a full valence shell

Salt dissolved in water is an example of what?

• a heterogenous mixture

• a homogenous mixture

• an element

• a compound