STAAR

A photograph of a bird perched on a fence post is shown. Which description best identifies the action-reaction pair between the bird and the fence post?

• Action: The force of the bird on the wires

  Reaction: The force of the wires on the fence post

• Action: The force of the wires on the fence post

  Reaction: The force of the fence post on the bird

• Action: The force of the fence post on the bird

  Reaction: The force of the bird on the wires

• Action: The force of the bird on the fence post

  Reaction: The force of the fence post on the bird

Tags

NGSS.MS-PS2-2

The diagram shows how a cylinder in a car engine causes the car to move. Which description of the energy conversions in this process is correct?

• The chemical energy in the fuel-air mixture is converted to

  thermal energy, which is then converted to mechanical energy.

• The mechanical energy in the fuel-air mixture is converted to

  electrical energy, which is then converted to thermal energy.

• The electrical energy in the fuel-air mixture is converted to

  mechanical energy, which is then converted to thermal energy.

• The thermal energy in the fuel-air mixture is converted to

  electrical energy, which is then converted to mechanical energy.

Tags

NGSS.MS-PS1-4

Four students designed and built air propelled rockets that were launched into the air. Their data are recorded in the table. Which rocket had the greatest acceleration?

• Rocket 1

• Rocket 2

• Rocket 3

• Rocket 4

Tags

NGSS.MS-PS2-2

The picture shows a bicyclist increasing speed while riding down a hill during a bicycle race. Which statements accurately describe the potential and kinetic energy of this bicyclist?

• Kinetic energy increases.

  Potential energy decreases.

• Kinetic energy increases.

  Potential energy remains

  constant.

• Kinetic energy remains

  constant.

  Potential energy decreases.

• Kinetic energy remains

  constant.

  Potential energy increases.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If the mass number of this chlorine atom is 36, how many neutrons does it have?

• 17

• 18

• 19

• can't be determined

Tags

NGSS.MS-PS1-1

What is the mass number of the atom shown in the Bohr model?

• 11

• 12

• 23

• Can't be determined

Tags

NGSS.MS-PS1-1

At position A, which hemisphere would have summer?

• Northern hemisphere

• Southern hemisphere

• Neither hemisphere

Tags

NGSS.MS-ESS1-1

What does the tilt of the earth cause?

• heating

• Seasons

• Atmosphere

• Years

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Earth's ________ on its axis causes day and night.

• rotation

• revolution

• phase

• comet

Tags

NGSS.MS-ESS1-1

What is the elevation of point B?

• 800 ft

• 850 ft

• 900 ft

• 1000 ft