{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

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Potential and Kinetic Energy (6.8A)
Students set up a demonstration to explain potential and kinetic energy.
Which statement correctly describes the ball’s kinetic and potential energy?

The ball is gaining kinetic energy and losing potential energy at Position C.

The ball has mostly kinetic energy at Position A.

The kinetic energy at Position D and Position A are equal.

The ball is gaining kinetic energy and losing potential energy at Position B.

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Potential and Kinetic Energy (6.8A)
Two helicopters are flying at different heights but at the same speed. Helicopter
A is 1000 m above Helicopter B. What statement best describes the energy of
the two helicopters?

The two helicopters have the same gravitational potential energy, but

different kinetic energy.

Helicopter B has more gravitational potential energy than Helicopter A.

Helicopter B has more kinetic energy than Helicopter A.

The two helicopters have the same kinetic energy, but different gravitational

potential energy.

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Energy Transformations (6.8B)
A neighbor installs solar panels on their roof to harness renewable energy.
What energy transformations occur in this scenario?

electrical → radiant

thermal → chemical

radiant → electrical

chemical → light

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Energy Transformations (6.8B)
When a wolf eats a rabbit and then uses the energy from the rabbit to run, the
wolf’s body converts –

chemical energy to mechanical energy

mechanical energy to chemical energy

thermal energy to mechanical energy

chemical energy to electrical energy

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Counting Atoms and Elements in a Chemical Formula (7.6B)
A model of (CH₂O)₄ was created using colored beads. Carbon atoms were
represented by black beads, hydrogen atoms by red beads, and oxygen atoms
by blue beads. Which of the following combinations of beads shows an accurate
model of (CH₂O)₄?

4 black, 6 red, and 4 blue

4 black, 8 red, and 4 blue

1 black, 2 red, and 1 blue

1 black, 8 red, and 1 blue

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Evidence of Chemical Reactions (8.6E)
What mass of methane gas (CH₄) is required in order to follow the Law of
Conservation of Mass?

3.5 g

2.3 g

11.3 g

6.8 g

STAAR Questions Session 2 - Potential/Kinetic Energy; Energy Transformations; Counting Atoms; Physical/Chemical Change

STAAR Questions Session 2 - Potential/Kinetic Energy; Energy Transformations; Counting Atoms; Physical/Chemical Change

Potential and Kinetic Energy (6.8A)
Students set up a demonstration to explain potential and kinetic energy.
Which statement correctly describes the ball’s kinetic and potential energy?

Potential and Kinetic Energy (6.8A)
Two helicopters are flying at different heights but at the same speed. Helicopter
A is 1000 m above Helicopter B. What statement best describes the energy of
the two helicopters?

Energy Transformations (6.8B)
A neighbor installs solar panels on their roof to harness renewable energy.
What energy transformations occur in this scenario?

Energy Transformations (6.8B)
When a wolf eats a rabbit and then uses the energy from the rabbit to run, the
wolf’s body converts –

Evidence of Chemical Reactions (8.6E)
What mass of methane gas (CH₄) is required in order to follow the Law of
Conservation of Mass?

Potential and Kinetic Energy (6.8A)
Students set up a demonstration to explain potential and kinetic energy.
Which statement correctly describes the ball’s kinetic and potential energy?

Potential and Kinetic Energy (6.8A)
Two helicopters are flying at different heights but at the same speed. Helicopter
A is 1000 m above Helicopter B. What statement best describes the energy of
the two helicopters?

Energy Transformations (6.8B)
A neighbor installs solar panels on their roof to harness renewable energy.
What energy transformations occur in this scenario?

Energy Transformations (6.8B)
When a wolf eats a rabbit and then uses the energy from the rabbit to run, the
wolf’s body converts –

Evidence of Chemical Reactions (8.6E)
What mass of methane gas (CH₄) is required in order to follow the Law of
Conservation of Mass?

STAAR Questions Session 2 - Potential/Kinetic Energy; Energy Transformations; Counting Atoms; Physical/Chemical Change

STAAR Questions Session 2 - Potential/Kinetic Energy; Energy Transformations; Counting Atoms; Physical/Chemical Change

Potential and Kinetic Energy (6.8A)Students set up a demonstration to explain potential and kinetic energy.Which statement correctly describes the ball’s kinetic and potential energy?

Potential and Kinetic Energy (6.8A)Two helicopters are flying at different heights but at the same speed. HelicopterA is 1000 m above Helicopter B. What statement best describes the energy ofthe two helicopters?

Energy Transformations (6.8B)A neighbor installs solar panels on their roof to harness renewable energy.What energy transformations occur in this scenario?

Energy Transformations (6.8B)When a wolf eats a rabbit and then uses the energy from the rabbit to run, thewolf’s body converts –

Counting Atoms and Elements in a Chemical Formula (7.6B)A model of (CH2O)4 was created using colored beads. Carbon atoms wererepresented by black beads, hydrogen atoms by red beads, and oxygen atomsby blue beads. Which of the following combinations of beads shows an accuratemodel of (CH2O)4?

Evidence of Chemical Reactions (8.6E)What mass of methane gas (CH4) is required in order to follow the Law ofConservation of Mass?

Potential and Kinetic Energy (6.8A)Students set up a demonstration to explain potential and kinetic energy.Which statement correctly describes the ball’s kinetic and potential energy?

Potential and Kinetic Energy (6.8A)Two helicopters are flying at different heights but at the same speed. HelicopterA is 1000 m above Helicopter B. What statement best describes the energy ofthe two helicopters?

Energy Transformations (6.8B)A neighbor installs solar panels on their roof to harness renewable energy.What energy transformations occur in this scenario?

Energy Transformations (6.8B)When a wolf eats a rabbit and then uses the energy from the rabbit to run, thewolf’s body converts –

Counting Atoms and Elements in a Chemical Formula (7.6B)A model of (CH2O)4 was created using colored beads. Carbon atoms wererepresented by black beads, hydrogen atoms by red beads, and oxygen atomsby blue beads. Which of the following combinations of beads shows an accuratemodel of (CH2O)4?

Evidence of Chemical Reactions (8.6E)What mass of methane gas (CH4) is required in order to follow the Law ofConservation of Mass?

Potential and Kinetic Energy (6.8A)
Students set up a demonstration to explain potential and kinetic energy.
Which statement correctly describes the ball’s kinetic and potential energy?

Potential and Kinetic Energy (6.8A)
Two helicopters are flying at different heights but at the same speed. Helicopter
A is 1000 m above Helicopter B. What statement best describes the energy of
the two helicopters?

Energy Transformations (6.8B)
A neighbor installs solar panels on their roof to harness renewable energy.
What energy transformations occur in this scenario?

Energy Transformations (6.8B)
When a wolf eats a rabbit and then uses the energy from the rabbit to run, the
wolf’s body converts –

Evidence of Chemical Reactions (8.6E)
What mass of methane gas (CH₄) is required in order to follow the Law of
Conservation of Mass?

Potential and Kinetic Energy (6.8A)
Students set up a demonstration to explain potential and kinetic energy.
Which statement correctly describes the ball’s kinetic and potential energy?

Potential and Kinetic Energy (6.8A)
Two helicopters are flying at different heights but at the same speed. Helicopter
A is 1000 m above Helicopter B. What statement best describes the energy of
the two helicopters?

Energy Transformations (6.8B)
A neighbor installs solar panels on their roof to harness renewable energy.
What energy transformations occur in this scenario?

Energy Transformations (6.8B)
When a wolf eats a rabbit and then uses the energy from the rabbit to run, the
wolf’s body converts –

Evidence of Chemical Reactions (8.6E)
What mass of methane gas (CH₄) is required in order to follow the Law of
Conservation of Mass?