Heat Transfer
Force and Motion
Force and Motion (AGAIN)
Water Cycle
Changes
100
Which causes the steam above a boiling pot of water to move?
- A.
conduction
- B.
convection
- C.
radiation
- D.
transpiration
Convection - B
100
Sarah ran 250 meters in 30 seconds on Monday. On Tuesday, Sarah ran 300 meters in 30 seconds. How much faster was Sarah’s speed on Monday than Tuesday? (speed = distance ÷ time)
- A.
1.7 meters per second
- B.
8.3 meters per second
- C.
10.0 meters per second
- D.
18.3 meters per second
1.7 meters per second - A
100
Students observed a turtle in the schoolyard. They measured the distance that the turtle traveled in 30 minutes. If the turtle walked 40 meters in that time, what was its average speed?
- A.0.75 m/h
- B.20 m/s
- C.80 m/h
- D.1,200 m/h
80 m/h - c
100
The picture shows the water cycle.
In which part of the water cycle does water change from a liquid to a gas?
- A. Evaporation
- B. Condensation
- C. Precipitation
- D. Runoff
Evaporation - A
100
One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in water, it forms gas bubbles. In this example, the formation of a gas
- A. is a physical property.
- B. occurs when adding water to acid.
- C. is a sign of a chemical change.
- D. occurs when the water boils.
Is a sign of a chemical change - C
200
Which processes occur when a pot of water placed on a hot stove causes the water to boil?
- A.
The pot heats because of conduction, and radiation causes movement of the water.
- B.
The pot heats because of radiation, and convection causes movement of the water.
- C.
The pot heats because of conduction, and convection causes movement of the water.
- D.
The pot heats because of convection, and conduction causes movement of the water.
The pot heats because of conduction, and convection causes movement of the water - C
200
Kyle and John are taking a road trip. The car travels a greater distance during the second hour of the trip than the first hour. Which can most likely be concluded?
- A.
The car is moving at a constant speed during the entire trip.
- B.
The car is moving faster during the first hour of the trip than in the second hour.
- C.
The car is moving faster during the second hour of the trip than in the first hour.
- D.
The car is moving in a different direction the second hour of the trip than in the first hour.
The car is moving faster during the second hour of the trip than in the first hour. - C
200
Arturo ran a 3,000-meter race. His running time from start to finish was 10 minutes. What was Arturo’s average speed?
- A.5 m/s
- B.50 m/s
- C.100 m/s
- D.300 m/s
5 m/s - A
200
Energy from the Sun changes ocean water to a gas. This sentence describes which step in the water cycle?
- A.condensation
- B.evaporation
- C.precipitation
- D.runoff
Evaporation - B
200
Physical and chemical properties can be used to classify substances. Which of these shows a chemical property?
- A. Silver melts.
- B. Magnesium burns.
- C. Sulfur is a yellow solid.
- D. Aluminum conducts heat.
Magnesium burns - B
300
Convection will cause which to occur?
- A.
melted marshmallow
- B.
hot pavement
- C.
strong winds
- D.
burnt eggs
Strong winds - C
300
Kyle rode his bike for 30 minutes. He noticed that he traveled farther in the first 15 minutes then he did in the second 15 minutes. Which conclusion can Kyle draw about his bike ride?
- A.
He rode at a constant speed.
- B.
He rode downhill the entire trip.
- C.
He rode faster the first fifteen minutes.
- D.
He rode slower the first fifteen minutes.
He rode faster the first fifteen minutes - C
300
Marni runs 1500 meters around the school track. What does she need to know in order to find out her speed?
- A. her time from start to finish
- B. the number of steps she took
- C. her heart rate at the finish line
- D. the direction she began running
Her time from start to finish - A
300
How does the Sun MOST affect the water cycle?
- A. The Sun causes the ocean water to evaporate.
- B. The Sun creates water droplets in the clouds.
- C. The Sun forces water to drain back into the ocean.
- D. The Sun makes the clouds produce precipitation.
The sun causes the ocean water to evaporate - A
300
As water vapor condenses into liquid, which of the following can be formed?
- A. ice
- B. steam
- C. frost
- D. clouds
Clouds - D
400
Steven placed an ice cream scoop under hot water before scooping ice cream. Which describes how the ice cream scoop was affected?
- A.
The ice cream scoop was cooled by convection.
- B.
The ice cream scoop was cooled by conduction.
- C.
The ice cream scoop was warmed by convection.
- D.
The ice cream scoop was warmed by conduction.
The ice cream scoop was warmed by conduction - D
400
A bus traveled 280 kilometers between two cities. It left the first city at 3:00 p.m. and arrived at the second city at 7:00 p.m. What was the average speed of the bus during the trip?
- A.4 km/h
- B.40 km/h
- C.70 km/h
- D.280 km/h
70 km/h - C
400
In a rubber duck race, the winning duck traveled 300 meters in 10 minutes. What was the duck’s average speed?
- A.0.5 m/s
- B.1.0 m/s
- C.7.5 m/s
- D.30 m/s
0.5 m/s - A
400
After a rainfall, which process in the water cycle draws the water back up into the air?
- A.condensation
- B.evaporation
- C.circulation
- D.precipitation
Evaporation - B
400
What are the 4 different types of precipitation?
Rain
Sleet
Snow
Hail
500
Convection is part of the reason that wind feels cold. Which best explains this type of convection?
- A.
The wind feels cold when it touches the skin.
- B.
Heat flows towards the body more rapidly in the wind.
- C.
Heat flows away from the body more rapidly in the wind.
- D.
No sun rays can reach the body to warm it when the wind is blowing.
Heat flows away from the body more rapidly in the wind. - C
500
Anna ran 100 meters in 20 seconds. What was her average speed?
- A.2 m/s
- B.5 m/s
- C.20 m/s
- D.25 m/s
5 m/s - B
500
In one day, a family in a car rode for 2 hours, stopped for 3 hours, and then rode for another 5 hours. During the day, the family traveled a total distance of 400 kilometers. What was their average speed for the whole trip?
- A.10 km/h
- B.20 km/h
- C.40 km/h
- D.50 km/h
40 km/h
500
Henry was helping his dad with a project outside. Henry pulled a wagon full of bricks across the yard. He took the bricks out of the wagon to use for their project. Henry then pulled the wagon back across the yard to refill it. Which did Henry most likely observe about the wagon?
A
The wagon full of bricks needed more force to be moved because it had less mass.
B
The wagon full of bricks needed less force to be moved because it had more mass.
C
The empty wagon needed more force to be moved because it had more mass.
D
The empty wagon needed less force to be moved because it had less mass.
The empty wagon needed less force to be moved because it had less mass. - D