Physical Science: To determine how much force is needed to move blocks of wood of different masses slowly across a lab table. Which procedure should students design?
Conduct five trials, pulling each block of wood in the same way for each trial
Physical Science: What types of energy does the toy oven use to bake the cakes?
Electrical and thermal
Physical Science: To measure how much liquid water is produced from a 10 L sample of snow. What must occur in order to perform this investigation?
The temperature of the sample must change.
Physical Science: The picture shows an athlete hitting a ball with a tennis racquet. What is the athlete demonstrating?
Doing work by pushing the ball and changing its motion and position
Life Science: Which organisms have a life cycle that is most like that of abalones?
Frogs
Life Science: Some blooms are white and others are blue. The color of the blooms is most likely determined by
inheritance from parent plants
Life Science: How is carbon dioxide directly involved in the survival of organisms in the aquarium?
The plants need carbon dioxide to make sugar.
Life Science: Aquatic plants have structures needed for making food are on the tops leaves. This adaptation helps the plants
absorb sunlight
Earth Science: By using a model of Earth that spins on its axis, the student can best demonstrate
the cycle of day and night
Earth Science: Which statement best explains how the sun and the ocean interact to form a cumulonimbus cloud?
Heat from the sun warms the ocean, water vapor condenses to form a cumulonimbus cloud.
Earth Science: Some of the dunes are as tall as a six-story building.
The dunes are formed by —
strong winds
Earth Science: Which fuel is an alternative resource that was most likely the first fuel used by humans?
Wood