Water Cycle 1
What is precipitation?
A. Water vapor cooling into liquid water
B. Water moving from Earth's surface into the air
C. Water falling to the ground because of gravity
D. Water changing from liquid to solid
C. Water falling to the ground because of gravity
A student observes clouds forming as warm, moist air rises and cools. Which process helps form the water droplets in the clouds?
A. Condensation
B. Evaporation
C. Freezing
D. Runoff
A. Condensation
Which change happens when heat energy is added to liquid water and it becomes water vapor?
A. Freezing
B. Condensation
C. Evaporation
D. Precipitation
C. Evaporation
What is condensation?
A. When water freezes
B. When water vapor cools and becomes liquid water
C. When water falls to Earth
D. When liquid water gains energy and becomes a gas
B. When water vapor cools and becomes liquid water
Snow on a sidewalk melts after several hours of sunshine. Which change of state occurred?
A. Gas to liquid
B. Liquid to gas
C. Solid to liquid
D. Liquid to solid
C. Solid to liquid
Which observation is the BEST evidence that heat energy can cause liquid water to change into a gas?
A. A puddle disappears faster on a warm, sunny day.
B. Ice forms when water is placed in a freezer.
C. Dew forms on grass on a cool morning.
D. Rain falls from dark clouds
A. A puddle disappears faster on a warm, sunny day
Which situation shows precipitation?
A. A puddle drying after lunch
B. Water droplets forming on a bathroom mirror
C. Snow falling from a cloud
D. Water vapor rising from a lake
C. Snow falling from a cloud
During a science demonstration, a teacher places a metal lid over a cup of hot water. After several minutes, water droplets form on the underside of the lid. Which process is being modeled?
A. Evaporation
B. Condensation
C. Precipitation
D. Run
B. Condensation
Which statement BEST explains why the water cycle does not have to begin at one specific step?
A. Water never changes state.
B. Water can enter and move through different parts of the cycle.
C. Precipitation always happens first.
D. Evaporation only happens over oceans.
B. Water can enter and move through different parts of the cycle.
A student sees water droplets on the outside of a cold glass. Where did the droplets MOST LIKELY come
from?
A. Water vapor in the surrounding air
B. Water leaking through the glass
C. Water inside the glass turning into ice
D. Rain falling onto the glass
A. Water vapor in the surrounding air
Which statement BEST describes the role of the Sun in the water cycle?
A. The Sun provides heat energy that can cause water to evaporate.
B. The Sun causes all water to freeze.
C. The Sun makes precipitation fall.
D. The Sun turns water vapor directly into solid ice.
A. The Sun provides heat energy that can cause water to evaporate.
Which sequence correctly describes one possible path through the water cycle?
A. Evaporation → condensation → precipitation
B. Condensation → freezing → evaporation
C. Precipitation → melting → condensation only
D. Runoff → precipitation → freezing only
A. Evaporation → condensation → precipitation
A student wants to remove water from a container without pouring it out. Which method would work by changing the water into a gas?
A. Put the container in a freezer.
B. Heat the water so it evaporates.
C. Add ice to the water.
D. Cool the water until it condenses.
B. Heat the water so it evaporates.
A student places a cup of water in a freezer. The water eventually becomes ice. What happened to the water's heat energy?
A. Heat energy was added to the water.
B. Heat energy was removed from the water.
C. Heat energy changed the water into a gas.
D. Heat energy caused precipitation.
B. Heat energy was removed from the water.
A lake loses some of its water on a hot, sunny day. Which explanation BEST describes what happened?
A. The water condensed because heat was added.
B. The water evaporated because heat energy was added.
C. The water precipitated because heat energy was added.
D. The water froze because heat energy was added.
B. The water evaporated because heat energy was added.
Which example BEST shows condensation?
A. A wet sidewalk drying in the Sun
B. Steam cooling and forming water droplets on a mirror
C. Snow melting on a warm day
D. Rain falling from a cloud
B. Steam cooling and forming water droplets on a mirror
Which investigation would BEST show that water can lose heat energy and change from a liquid to a solid?
A. Place water in a freezer and observe it until it freezes.
B. Place water in sunlight and observe it evaporate.
C. Boil water and observe the steam.
D. Place a cold glass outside and observe droplets form.
A. Place water in a freezer and observe it until it freezes.
A teacher places an empty cup inside a bowl of water and covers the bowl with plastic wrap. After several hours in the Sun, which observation is MOST LIKELY?
A. Water droplets form on the plastic wrap.
B. The bowl becomes completely dry immediately.
C. The cup fills with ice.
D. No water changes occur.
A. Water droplets form on the plastic wrap.
Which example BEST shows evaporation?
A. Rain falling from a cloud
B. Water droplets forming on a cold window
C. A puddle becoming smaller on a sunny afternoon
D. Snow melting into a puddle
C. A puddle becoming smaller on a sunny afternoon