5th grade Science EOG Review
1. Which will most likely result from a low-pressure weather system?
A warm temperatures B cloudy conditions
C clear conditions D cool temperatures
2. Which is the best explanation for how air masses move across the United States?
The prevailing westerlies move air masses The trade winds move air masses from
A from west to east across the United States B west to east across the United States.
but may be deflected by the jet stream.
The jet stream moves air masses from the The warm air of the Gulf Stream causes air
C Pacific Ocean across the United States. D masses to move from the Atlantic Ocean
to the Pacific Ocean.
3. What is the cause of rising surface temperatures of the Pacific Ocean, drought in the
western United States, and flooding on the Pacific coast of South America?
A the Gulf Stream B the jet stream
C El Nino D La Nina
4. Which has the greatest effect of wind speed?
A precipitation B cloud cover
C wind direction D air pressure
5. 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?
A stormy B sunny
C rainy D snowy
6. 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 There will be a decrease in the population
A B
with snakes. of snakes in the ecosystem.
The nutrition of the soil in the More types of plants will begin growing in
C D
ecosystem will decrease the ecosystem.
7. Which gets all its energy from the sun?
A consumer B producer
C decomposer D no living organism
8. How are lakes and estuaries similar?
A They both have salt water. B They both have freshwater.
C They both are located in the same area. D They are not the same.
9. How are the tropical rain forest and pond ecosystems similar?
They both have large amounts of trees. They both have producers and
A B
consumers.
They both have the same plants and They are not the same at all.
C D
animals.
10. Which ecosystem would most likely contain fish that can only survive in freshwater?
A lake B estuary
C ocean D outer space
11. Which is most responsible for the uneven heating of the air in the atmosphere?
A radiation B conduction
C convection D condensation
12. Which best explains why a pan placed on a hot stove top will begin to warm?
A conduction B convection
C radiation D evaporation
13. Water is being boiled on the stove. What is the change that is taking place?
A A solid is changing into a gas. B A liquid is changing into a gas
C A solid is changing into a liquid D There is no change occuring
14. Which material is most likely to expand if exposed to freezing temperatures?
A iron B wood
C water D plastic
15. A ball was rolling fast and then slowed. Which most likelycaused the ball to slow?
A heat B wind
C friction D momentum
16. Which statement best describes how winter weather can damage roads?
Snow and ice can cause car accidents, Rain, ice, and snow can cause the painted
A B
which damage roads. lines on roads to fade.
Cold temperatures can cause road Water can get into cracks in roads, then
C materials to expand, creating potholes. D freeze and expand, making the cracks
worse.
17. Which is true when equal and opposite forces are applied to an object?
A The forces combine. B There is forward movement.
C There is no change in motion. D The speed of the object increases.
18. A train travels 150 miles in 2 hours. What is the average speed of the train? (average speed =
distance ÷ time)
A 30 miles per hour B 50 miles per hour
C 75 miles per hour D 80 miles per hour
19. Which will most likely increase the speed of an object?
A applying a faster force B applying a slower force
C applying a weaker forcer D applying a stronger force
20. A car is moving at a constant speed. What is the speed of the car if it moves 100 miles in 2
hours? (speed = distance ÷ time)
A 25 miles per hour B 50 miles per hour
C 75 miles per hour D 100 miles per hour
Answer Key
1.b 2.a 3.c 4.d
5.b 6.a 7.b 8.b
9.b 10.a 11.c 12.a
13.b 14.c 15.c 16.d
17.c 18.c 19.d 20.b