5th grade Science EOG Review

Which will most likely result from a low-pressure weather system?

• warm temperatures

• cloudy conditions

• clear conditions

• cool temperatures

Which is the best explanation for how air masses move across the United States?

• The trade winds move air masses from east to west across the United States.

• The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream.

• Air masses move randomly without any specific direction across the United States.

• The polar easterlies move air masses from north to south across the United States.

Which is true when equal and opposite forces are applied to an object?

• The forces combine.

• There is forward movement.

• There is no change in motion.

• The speed of the object increases.

Which statement best describes how winter weather can damage roads?

• Water can get into cracks in roads, then freeze and expand, making the cracks worse.

• Snow accumulation can create a slippery surface, making driving hazardous.

• Cold temperatures can cause asphalt to become brittle and crack easily.

• Rainwater can wash away the road surface, leading to potholes.

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

• The ecosystem will become overpopulated with snakes.

• The ecosystem will have an increase in the population of eagles.

• The ecosystem will experience a decrease in plant diversity.

• The ecosystem will become more stable and balanced.

A train travels 150 miles in 2 hours. What is the average speed of the train? (average speed = distance ÷ time)

• 60 miles per hour

• 70 miles per hour

• 75 miles per hour

• 80 miles per hour

Which has the greatest effect of wind speed?

• precipitation

• cloud cover

• wind direction

• air pressure

On a cold, cloudy day, the local weather forecaster predicts that a high-pressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?

• sunny

• rainy

• stormy

• foggy

Which will most likely increase the speed of an object?

• applying a faster force

• applying a slower force

• applying a weaker force

• applying a stronger force

Which ecosystem would most likely contain fish that can only survive in freshwater?

• lake

• estuary

• ocean

• outer space