Unit Test in Physics

What is the primary focus of physics?

• The study of biological organisms.

• The understanding of chemical reactions.

• Exploring the fundamental laws of the universe.

• Analyzing historical events.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-2

Which branch of physics deals with the behavior of celestial objects such as stars and galaxies?

• Nuclear Physics

• Quantum Mechanics

• Thermodynamics

• Astrophysics

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

NGSS.HS-ESS1-4

How many significant figures does 51,000 have?

• 2

• 3

• 4

• 5

How many significant figures does 0.00000170 have?

• 2

• 3

• 8

• 9

Which of the following is a vector quantity?

• time

• distance

• velocity

• speed

Refer to the figure on the left, what is the distance traveled at point 4 as it moves back and forth?

• 140ft

• 280ft

• 140m

• 280m

Refer to the figure on the left, what is the displacement at point 4 as it moves back and forth?

• 80ft

• 140ft

• 240ft

• 280ft

Speed is a _________ quantity, which means it only has a magnitude.

• scalar

• vector

Which of these is correct?

• Speed:  30 m/s, scalar

  Velocity: 30 m/s right, vector

• Speed:  30 m/s, vector

  Velocity: 30 m/s right, scalar

• Speed:  30 m/s right, scalar

  Velocity: 30 m/s, vector

• Speed:  30 m/s right, vector

  Velocity: 30 m/s, scalar

The following are the things you can do to accelerate except;

• speed up

• slow down

• turn

• maintaining speed