8th grade Science Final Exam Review (2nd Semester)

In an experiment, we leave one thing “normal” to compare the experimental results to. What is this called?

• Control
• Constant
• Independent Variable
• Dependent Variable

Tags

NGSS.MS-PS1-2

An organized process used to gather observations and test a hypothesis is a(n) ______.

• Problem
• Experiment
• Exercise
• Constant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

A testable prediction based on observations is a(n)

• hypothesis

• experiment

• exercise

• exercise

Tags

NGSS.MS-PS2-2

In a graph, the variable on the horizontal (x) axis is the____

• variable with the largest range

• variable with the smallest range

• independent variable

• dependent variable

When an object's acceleration is _________________________, it slows down.

• positive

• negative

• constant

• zero

Velocity is a combination of speed and __________?

• distance

• displacement

• direction

• acceleration

What is the unit of measure for force?

• gram

• newtonkilogram

• newton

• amp

What is the unit of measure for work?

• W

• watts

• joules

• ohms

The tendency of an object to resist any change in its state of motion is called___________________.

• energy

• resistance

• inertia

• acceleration

What does this graph represent?

• Constant Speed
• Acceleration
• Deacceleration
• Not moving