Energy and sound wave review

Which path does the light need to take for a student to see a basketball on the court under the gym lights?

• The light must shine from the basketball and then create its own light to reach the student’s eyes.

• The light must shine from the gym lights, pass directly through the basketball, and then travel into the student’s eyes.

• The light must shine from the basketball and then reflect off the gym floor into the student’s eyes.

• The light must shine from the gym lights, reflect off the basketball, and then travel into the student’s eyes.

Tags

NGSS.MS-PS4-2

How does a pair of tinted car windows affect the path of sunlight entering a car?

• Tinted windows allow less sunlight to pass through into the car.

• Tinted windows cause sunlight to pass straight through without any reduction.

• Tinted windows reflect all sunlight completely away from the car’s interior.

• Tinted windows block every bit of sunlight, making the interior completely dark.

Tags

NGSS.MS-PS4-2

Which path does the light take in order for a hiker to see a tree in the forest?

• The light from the sun shines into the hikers eyes.

• The light from the Sun reflects off the hiker’s eyes and then shines onto the tree.

• The light from the Sun reflects off the hiker’s backpack and then shines onto the tree.

• The light from the Sun reflects off the tree, passes through the air, and then enters the hiker’s eyes.

Tags

NGSS.MS-PS4-2

Which statement best explains why the object is visible only in Box 2?

• Box 2 has two holes, which allows light to enter from the top and reflect off the object into the side hole.

• The object in Box 1 does not reflect any light, so it cannot be seen.

• The small size of Box 2 makes objects glow on their own without needing reflected light.

• The flashlight light passes through the walls of Box 2, making the object glow.

Tags

NGSS.MS-PS4-2

Will they be able to see a glowstick through box 2?

• No, because there is no hole on the top of the box.

• Yes, because the glow stick gives off light.

• Yes, because the glow stick is yellow.

• No, because light cannot escape through a small pinhole.

Tags

NGSS.MS-PS4-2

As we walk farther away from the kazoo sound, the volume gets________?

• echoes louder
• remains the same
• increases
• decreases

Tags

NGSS.MS-PS4-1

If the student places cardboard between a lamp and a toy car, how would the toy car appear to the student?

• The toy car will glow brightly.
• The toy car will appear larger.
• The toy car will change color.
• The toy car will appear dark or not visible.

Tags

NGSS.MS-PS4-2

Why do we get the results of less light on the toy when cardboard is placed between the light and the toy?

• The cardboard reflects light towards the toy.
• The cardboard blocks some of the light from reaching the toy.

• The cardboard enhances the light intensity on the toy.
• The toy absorbs more light when cardboard is present.

Tags

NGSS.MS-PS4-2

sound wave is what?

• high pitch

• low pitch

• soft

• no sound at all

Tags

NGSS.MS-PS4-1

the sound wave is what?

• no sound at all

• loud

• soft

• high pitch

Tags

NGSS.MS-PS4-1