Vocabulary review Quiz

What can you do to something you can observe?

• Calculate it

• Predict it

• See or sense it (taste, touch, hear, smell, see)

• Ignore it

What is a hypothesis?

• A) A question that cannot be tested.

• B) An idea that can be tested by observation or experiments to see if it might be true.

• C) A statement that is always true.

• D) A detailed explanation of a natural phenomenon.

What can happen when you test a hypothesis?

• A) It can only be supported.

• B) It can be proven with absolute certainty.

• C) It can be supported (+) or rejected (-).

• D) It cannot be rejected.

Which of the following is true about a hypothesis?

• A) It is always a question.

• B) It is a proven fact.

• C) It is always a statement.

• D) It cannot be tested.

Choose the example that illustrates a hypothesis.

• A) If I study hard, I will feel tired.

• B) If I don’t water my plant it will die.

• C) Water is composed of hydrogen and oxygen.

• D) The sun rises in the east.

What is data?

• A) A method of organizing numbers

• B) Information that can be collected and examined

• C) A type of scientific instrument

• D) A mathematical formula

In science, what is the purpose of data?

• A) To create graphs and charts

• B) To support explanations

• C) To make predictions about future events

• D) To prove a hypothesis wrong

Which of the following is an example of data that can be collected?

• A) Opinions on a book

• B) Temperature

• C) Favorite colors

• D) Ideas for a story

What is an independent variable in an experiment?

• The outcome that is measured to see the effect of the independent variable

• A variable that remains unchanged throughout the experiment

• The variable that is manipulated or changed by the researcher to observe its effects

• A random variable that is not important to the experiment

What is the independent variable in an experiment?

• The variable that is kept constant

• The variable that is measured

• The variable that is changed by the scientist

• The outcome of the experiment