Front

A 5 kg bowling ball, a 0.25 kg baseball, and a 0.05 kg golf ball are dropped from a 100-meter high building. Which of the following conclusions is true?
Options: Light objects fall faster than heavy ones.
, All objects fall at the same rate regardless of mass., Heavy objects fall faster than light ones., Objects of different shapes fall at the same rate

Back

All objects fall at the same rate regardless of mass.

Front

Which of the categories from Tony's data table includes qualitative observations? Options: color, temperature, mass, volume

Back

color

Front

Which of the following units would be the most appropriate for measuring the length of a football field? mililiters, centimeters, meters, kilometers

Back

meters

Front

Inferences are

Back

conclusions or predictions that are made by studying observations.

Front

The level of closeness between multiple measurements of the same quantity is called __________.

Back

precision

Front

Which month had an average daily temperature of around 41 degrees? Options: May, April, December, March

Back

March

Front

The pictures below show a field that is being studied over time. In the field, there are rabbits (red circles) and foxes (blue circles). What conclusion can be drawn from these observations?

Back

The number of foxes increases while the number of rabbits decreases.

Front

Mikey had two mice that were about the same age and weight. Mikey fed each of the two mice a different feed for a month. He measured how much the mice weighed every two days until the month was over. Mikey's results showed that although both mice gained weight over the month, mouse 2 gained more weight than mouse 1. Which graph below best shows these results?

Back

Graph 2

Front

Which statements about scientific explanations are true? I. Scientific explanations must prove that a hypothesis is true.
II. Scientific explanations should be based on evidence or data.
III. Scientific explanations must have logical and consistent arguments.
IV. Scientific explanations should use scientific principles, models, and theories.

Back

II, III and IV

Front

A scientist collected the following data on algal growth during an experiment:
Which of the following conclusions could be drawn from the data?
Options: Algae multiply most rapidly at 35°C., Algae multiply most slowly at 20°C., Algae multiply most slowly at 10°C., Algae multiply most rapidly at 20°C.

Back

Algae multiply most rapidly at 20°C.