STAAR Review

Which of these animals is likely to be a tertiary consumer?

• Hawk.

• Snake.

• Rabbit.

• Tree.

Tags

NGSS.MS-LS2-3

Humans are usually at the top of the food chain

• True

• False

A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?

• there are no forces acting on the rock

• the only force acting on the rock is directed toward the sidewalk

• the forces acting on the rock are all balanced

• the sidewalk exerts an unbalanced force on the rock

At what point on a roller coaster does the train have the highest kinetic energy?

• at the bottom of the first drop
  

• at the top of the second hill
  

• when the train first leaves the loading station 

• at the top of the first drop 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The tendency of objects to resist a change in motion is called:

• Friction

• Inertia

• Gravity

• Velocity

Which statement best describes the motion of the object plotted in the graph?

• The object accelerated because the distance traveled increased at a steady rate.

• The object traveled at a constant speed because of forces acting on the object.

• The object accelerated because it traveled in the same direction throughout the investigation.

• The object slowed down as it traveled uphill because of the forces acting on the object.

Tags

NGSS.MS-PS2-2

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-2

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem

• food web

• environment

• population

Tags

NGSS.MS-LS2-3

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 100 m/s²

• 25,000 m/s²

• 10 m/s²

• 25 m/s²

Tags

NGSS.MS-PS2-2

Forces that have a net force of zero 

• Balanced force

• Unbalanced force