Science STAAR Review 2

Which two forces act on an object from a distance and cause the object to move?

• Friction and gravity

• Gravity and magnetism

• Magnetism and friction

• Gravity and density

Which two kinds of energies are produced by a light bulb in a circuit?

• Electrical and light

• Mechanical and light

• Light and heat

• Sound and heat

Which Earth processes can be observed in a Grand Canyon?

• Formation of sedimentary rock

• Oceanic waves

• Mountain erosion

• Plant growth

Which energy source below is considered non-renewable?

• Biofuel

• Natural gas

• Solar

• Hydropower

Examining temperature and precipitation daily using a thermometer and a rain gauge measured

• temperature only

• climate

• wind speed only

• weather

Which process describes water evaporating from the plant leaves?

• Condensation

• Transpiration

• Precipitation

• Runoff

Where will the Sun be at 12 pm?

• Right above

• On the east

• On the west

• On the south

Why does the night sky appears to move in a circle?

• Earth rotates on its axis

• The sky rotates over Earth

• Stars travel in a circle around Earth

• Earth revolves around the Sun

Which planet comes next after Jupiter?

• Uranus

• Mars

• Neptune

• Saturn

On a bright, sunny day, which time of day can be predicted to create the shortest shadows?

• 9am

• 3 pm

• 12pm

• 12am