Quarter 1 Review

A student is planning a science fair experiment. Why should the student write a detailed procedure?

• It will ensure that the hypothesis will be proven correct.

• It will help the student change multiple variables at once.

• It will help someone else repeat the experiment and collect similar data.

• It will help someone else to change parts of the experiment to test a new hypothesis.

Which example shows an interaction between the biosphere and the geosphere, due to a forest fire?

• Smoke from the fire blocks sunlight in the atmosphere.

• Ash blows away and falls many kilometers away from the fire.

• The fire decreases the number of live tree roots to hold soil in place.

• Moisture is removed from trees and other plants by the hot air around the fire.

In which atmospheric action can we see evidence of conduction?

• Air increases in density and sinks back towards the Earth.

• Radiation from the Sun heats the surface of Earth.

• The surface of the Earth heats the air that contacts it.

• Cold air pushes warm air upward creating a current.

Which statement best explains why scientific knowledge improves over time?

• Scientific data can be interpreted differently based on personal beliefs.

• Scientific ideas change as new information is collected and interpreted.

• Scientific theories are considered laws once they are proven by many scientists.

• Scientific experiments can be repeated under different conditions with the same results.

Scientists are always studying things even if they cannot see them, such as a virus, or though the objects, such as the Sun. How should a scientist solve a scientific problem that involves matters that cannot be seen or touched?

• They should decide that there was no solution to the problem and give up.

• They should use creativity to work out more unusual solutions, such as creating a model to study.

• They should conclude that it is too difficult for them and wait for a better scientist to solve the problem.

• They should use conventional scientific methods again, retrying the same experiment they already performed.

Which statement is one way the cryosphere and the hydrosphere interact?

• When the Sun's energy melts the ice in the cryosphere, the water flows and joins the hydrosphere.

• When the Sun's energy melts ice in the hydrosphere, the water flows and joins the cryosphere.

• The clouds in the cryosphere constantly send water to the hydrosphere through the process of precipitation.

• Plants and animals from the cryosphere send out water into the hydrosphere through the process of transpiration.

Charlie and Lily are trying to choose a question to research for the school science fair. Which question may NOT be answered through scientific investigation?

• Which soil has the most water?

• Which pesticide keeps the most insects away?

• Which plants have the most beautiful flowers?

• Which plant food causes a plant to grow bigger tomatoes?

A hot air balloon relies on convection in order to fly. Which statement best describes what happens to the air inside a hot air balloon?

• Warm air is rising and cold air is rising.

• Warm air is rising and cold air is sinking.

• Cold air is rising and warm air is sinking.

• Cold air is sinking and warm air is sinking.

The atmosphere surrounding Earth helps to maintain the various climates found around the world and keeps Earth from becoming extremely cold all over. How does the atmosphere help to keep Earth insulated and warm?

• The atmosphere creates heat as Earth moves through space, helping to insulate Earth.

• The atmosphere traps heat generated by Earth's core and helps maintain Earth's climate.

• The atmosphere helps spread the warmth from the water near the equator to other parts of Earth.

• The atmosphere helps trap heat energy from the Sun and energy radiated from Earth to maintain the climate.

Which pair of Earth's spheres interact the most when ocean waves break onto a beach?

• atmosphere and biosphere

• geosphere and atmosphere

• hydrosphere and biosphere

• geosphere and hydrosphere