Unit 2 Chapter 2 Vision and Light

What is the main focus of the lesson?

• Vision and Light

• Sound and Music

• Plants and Animals

• Weather and Climate

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In which direction should the angle of the light be adjusted so that the predator can see its prey?

• Towards the prey

• Away from the prey

• Upwards

• Downwards

Tags

NGSS.MS-LS2-4

What is a variable in an experiment?

• A constant factor

• A factor that can be changed

• A result of the experiment

• A type of measurement

Tags

NGSS.MS-PS1-2

What is the effect of changing multiple variables at once?

• It simplifies the experiment

• It complicates understanding the results

• It makes the experiment more reliable

• It reduces the need for repetition

Tags

NGSS.MS-PS3-4

Why is it important to know the effect of each variable?

• To make the experiment longer

• To understand the results clearly

• To use more equipment

• To avoid repeating the experiment

Tags

NGSS.MS-PS3-4

NGSS.MS-PS2-2

How do scientists ensure they know which variable made a difference?

• By changing all variables at once

• By changing one variable at a time

• By not changing any variables

• By guessing the results

What are models used to investigate?

• Things that are easy to observe

• Things that are hard to observe

• Things that are already known

• Things that are not important

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-2

NGSS.MS-LS2-3

NGSS.MS-PS1-1

What allows us to see the object in the box?

• Sound waves

• Light

• Heat

• Vibration

Tags

NGSS.4-PS4-2

A student created the diagram shown below to model how a person’s eye is able to see a soccer ball.

Based on the diagram, which of the following is true?

• light produced by the soccer ball directly enters both the eye and the bulb

• light produced by the soccer ball is reflected by both the eye and the bulb.

• light produced by the eye hits the soccer ball and is reflected into the bulb.

• light produced by the bulb hits the soccer ball and is reflected into the eye.

Tags

NGSS.MS-PS4-2

A cat is a nocturnal animal.  Since cats are active at night when the sun is not out, they must rely on other structures to help them out. 

What two structures from the list do you think cats use to help them hunt for prey at night? 

• fur color

• eye color

• sense of smell

• whiskers