A Child Riding on a Swing Rises to a Height

question 6

Multiple Choice

A child riding on a swing rises to a height 1.0 m above the lowest point. Another child of equal mass whose speed at the lowest point is twice as great will rise

• A) to a height which depends on the mass.
• B) to the same height.
• C) twice as high.
• D) four times as high.

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Definitions:

Dependent Variable

In scientific research, the variable that is tested and measured; it is 'dependent' on the independent variable.

Fat Layer

A layer in the body composed primarily of adipose tissue, which stores energy and insulates and cushions the body.

Polar Bear's Skin

The black skin of a polar bear, hidden beneath its transparent, hollow fur, which helps in absorbing sunlight to keep the bear warm in cold environments.

Tissue

In multicelled organisms, specialized cells organized in a pattern that allows them to perform a collective function.