3A Science Review

The graph shows the daily low average temperatures for five days in Houston. On which day was the average low temperature 25 degrees Celsius?

• Day 1

• Day 2

• Day 3

• Day 4

How did the weather change over the week?

• The rain went away

• The temperature went down

• The skies became clear

• It became warmer

Meteorologists are scientists who study weather patterns and make forecasts about upcoming weather. Which of the following would a meteorologist analyze when predicting weather?

• The habitat of an organism

• The movement of fronts

• The Sun and the Moon

• The growth of plants

The maps show some weather information over a few days in one week. Based on the information in the maps, what type of weather is the most reasonable prediction for Austin for Thursday of that same week?

• Warm and sunny

• Cold and snowy

• Hot and stormy

• Cool and rainy

Water on Earth moves through the water cycle because of energy that comes from the –

• Earth’s core

• Sun’s heat

• Moon’s gravity

• wind’s movement

When water falls to Earth as rain

• Sun

• Water Cycle

• Evaporation

• Precipitation

Water droplets form when...

• Water flows off of mountains into rivers that then flow into the ocean.

• Water heats up and changes from a liquid to a gas.

• Water freezes in layers.

• Water condenses, such as in clouds.

The labeled diagram shows the water cycle. In the diagram, which letter represents evaporation?

• A

• B

• C

• D

Students built a model of the water cycle by putting water in the bottom of a plastic bottle and then shining a lamp on it. They observed tiny droplets appearing near the top of the bottle and larger drops sliding down the sides of the bottle. What part of the model demonstrates the energy source?

• Tiny droplets forming at top of bottle

• Lamp shining on bottle

• Drops running down the side of bottle

• Water sitting in the bottom of bottle

Why do shadows change in appearance during the day?

• The change in how the air moves during the day

• The place we stand when we look at the shadows

• The way the Sun seems to move through the sky

• The way things grow when they are warmed by the Sun