Define potential energy.

Define kinetic energy.

Which objects below have potential energy. (check all that apply)

Two balls are pushed with a force of 5N to the right. Which ball will travel at a greater velocity after the collision?

Which ball will travel at a greater velocity after the collision? Explain using the words force, and velocity.

CFS:

· accurately identifies the changes to each object when a force is applied

· accurately describes the relationship between force, mass and velocity

If both ball 1 and ball 2 are to move at the same velocity, which one would require more force? Explain using the words force, mass and velocity.

CFS:

· accurately identifies the changes to each object when a force is applied

· accurately describes the relationship between force, mass and velocity

How much force would each ball have (ball 1: 5kg/ ball 2: 10kg) if they are moving at 10 m/s.

Force=Mass x Acceleration (example below)

Identify the changes to Helena if she is attacked by Thor and the Hulk. The Helena has the same mass of 30kg in each theft.

Why does one crash have more force than the other? Use the words (force, mass, change in speed)

CFS:

· accurately identifies the changes to each object when a force is applied

· accurately describes the relationship between force, mass and velocity

Selena pushes a shopping car and applies 30N of force to the back of the car. If the car had a mass of 5kg . What was the acceleration of the car?

(example below)

Write the correct magnetic poles on the magnets below based on whether they attract or repel.

Lucia is playing with magnetic toy vehicles. She has two identical toy vehicles (purple and pink) that start on opposite sides of a center magnet that cannot move. She moves both vehicles one space closer to the center magnet.

How did the potential energy of the two vehicles change? Did the potential energy of one vehicle change more than the other? Why do you think so?

CFS:

· Accurately identify how magnetic arraignment impacts natural motion

· Accurately describes the relationship between magnetic force and PE/KE.

Label the parts of the two sound waves below.

 - Wavelength

- Amplitude

Why does wave 1 or 2 have a louder volume?

CFS:

· Accurately identify how wave properties impact sound

· Accurately describes the relationship wavelength/amplitude/frequency to a sound or image

Why does wave 1 or 2 have a brighter color?

CFS:

· Accurately identify how wave properties impact sound

· Accurately describes the relationship wavelength/amplitude/frequency to a sound or image

Alika finds a certain kind of butterfly near her house. She reads that ultraviolet light is absorbed by the butterfly’s wings, red light is transmitted through the butterfly’s wings, and green light is reflected off the butterfly’s wings. Alika’s friend Claire tells her that if you shine light on the butterfly, its wings will glow.

How Can light cause the butterfly’s wings to glow?

(THINK: Absorbed/ reflected /transmitted/refracted)

CFS:

· Describes the changes in each waveform variable

· Accurately describes the relationship between light interactions and an objects appearance

Complete the moon phase diagram below for a top view and view from Earth.

Explain the alignment of the Earth, Moon, and Sun during a lunar eclipse. AND explain why do not happen every moon cycle?

CFS:

· Accurately identifies how light impacts the moon’s appearance

· Accurately describes the relationship between the moons position and the appearance from Earth

How often do eclipses happen?

Predict the following moon phase.

Why does the moon appear to get more or less illuminated from the view from view?

(HINT: Tell me which side of the moon we see from Earth in different positions)

CFS:

• Accurately describes the relationship between the moons position and the appearance from Earth

• Accurately describes the relationship Earth’s position and the side of the moon we see (light or dark side)

Scientists measured the spine size of a population of cactuses found in an area in 1970. They measured the spine size of the cactus population again in 2015. Which of the statements below best describes the difference in the cactuses at the two time points?

Why do you think there was a shift in traits from 7-9 to include 4-10?

CFS:

· accurately describes the relationship between environmental changes and population variations

· describes the cause and effect relationship between environmental factors and species traits

What evidence do you have to support that a mutation occurred between generation 1 and generation 50?

CFS:

· accurately identify the traits in the starting population and ending population

· accurately describes how to identify mutations from historical and graphical data