Physical Science Unit 1 Exam

The summary at the end of an experiment that explains the results is... 

• conclusion
• procedures
• materials
• responding variable

A testable prediction about a scientific investigation is a(n)

• Question
• Observation
• Hypothesis
• Experiment

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

If I study for my scientific method test, then I will have a better test score. What is the dependent variable?

• Scientific Method
• Studying
• Independent variable
• Test score

The independent variable is

• The variable that you change in an investigation

• The variable that you measure in an investigation

• A variable that you keep the same in an investigation

An atom is electrically neutral because

• the numbers of protons and neutrons are equal.

• the numbers of protons and electrons are equal.

• neutrons balance the protons and electrons.

Where is number one pointing at?

• Nucleus

• Protons

• Neutrons

• Electron cloud

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• proton

• neutron

• electron

• nucleus