PSSA Review Game #5

You need to measure the mass of sugar in an experiment. Which instrument would you use?

• pan balance
• ruler
• graduated cylinder
• beaker

Which event is shown in the diagram?

• uplift

• volcanic eruption

• erosion

• earthquake

You state the hypothesis that pea plants grow taller in sandy soil. To test your hypothesis, you must conduct an experiment. Which pair of variables should both be kept constant during the experiment?

• type of soil and type of plant

• amount of water and amount of sunlight

• type of soil in height of plants

• it's type of soil and amount of sunlight

Which energy resource does not produce harmful waste or pollution?

• oil
• coal
• solar energy
• nuclear energy

The illustration shows a model of a human heart. Which subject would this model be most useful in studying?

• how the heart interacts with the brain

• different kinds of animal hearts

• how hard is changed over time

• parts of the human heart

During a visit to the park, Robin smelled a variety of flowers. She became curious and asked a question, "Do roses smell better than petunias?" Which statement correctly describes Robins question?

• It is a good scientific question because of these precise.

• It is a poor scientific question because it is not precise and based on opinion.

• It is a good scientific question because it can be answered by taking measurements.

• It is a poor scientific question because it is compares flowers.

The graph shows the population size of bacteria growing in a Petri dish during a 48-hour period. After about 30 hours, a change in the pattern of growth occurs (the line levels). What factor most likely caused this change?

• increasing the amount of food

• limited amount of sunlight

• limited amount of space

• introduction of a prey species

White fur helps the Arctic hare blend into a snowy environment and avoid being eaten by predators. Which term best describes the feature of the Arctic hare?

• biotic factor
• acquired trait
• genetic mutation
• adaptation

Which kind of pattern are the circular structures in the illustration an example of?

• annual pattern

• monthly pattern

• daily pattern

• hourly pattern

Which statement describes why your body is a system?

• It needs food for energy.
• It uses oxygen and releases carbon dioxide.
• It has parts that work together.
• It can get certain diseases.