Keller 6 Week Test

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

• at rest

• moving

• in one spot

• inertia

Tags

NGSS.3-PS2-1

An object in motion tends to stay in motion unless an ___ force acts on it.

• unbalanced

• balanced

Tags

NGSS.MS-PS2-2

What is the eccentricity of this ellipse?

• 3.00

• 4.00

• .25

• 0.33

Which of the following BEST describes a galaxy?

• a collection of planets and moons around a single star

• a collection of only stars

• a collection of stars and their planetary systems

Tags

NGSS.MS-ESS1-2

What is the wobbling of Earth on its axis called?

• precession

• Nutation

• Rotation

• Revolution

What is the primary force that keeps planets in orbit around the sun?

• Gravitational force

• Magnetic force

• Electromagnetic force

• Nuclear force

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the basic unit of life?

• Organ

• Tissue

• Cell

• Organism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which law explains why we need to wear seatbelts in a moving car?

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Law of Conservation of Energy

What is the chemical formula for table salt?

Tags

NGSS.MS-PS1-1