Science 4th 9 Weeks

What is the process called when light bounces off an object?

• Refraction

• Reflection

• Light years

• Prism

Tags

NGSS.MS-PS4-2

A piece of lab equipment that produces vibrations that in turn produce sound is called?

• Tuning fork

• Drumsticks

• Speakers

• Soundwave

Tags

NGSS.MS-PS4-1

When total environmental change happens quickly, as it did with the dinosaurs, what is the most likely result?

• Endangered species

• food pyramid

• Extinction

• Evolution

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-1

Why must consumers eat?

• Because it’s dinner time

• Because they want to

• Because they are hungry

• Because they need energy to live

Tags

NGSS.MS-LS1-7

If students make aluminum can phones, how can they hear each other if one is in the classroom and the other one is in the hallway?

• The student in the hallway told very loudly

• Mechanical energy was changed into sound energy

• Sound energy was transferred along the string to the second can

• Sound energy was transferred through the air to the other student

Tags

NGSS.MS-PS4-2

Plants make their own ____using energy from the sun, carbon dioxide from the air, and _____.

• Food

• Air

• Water from the soil

• Nutrients from the dirt

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What would be the most accurate explanation of the vibration of windows?

• The noises are too loud.

• The noises are too soft.

• Sound waves transmit energy as compression waves.

• Sound waves transmit energy as ocean waves.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How does an object look when it is viewed through a transparent object?

• The object can not be seen.

• The object can be seen clearly.

• The object appears as a blurry shape.

• The object is clear but the shape is distorted.

Tags

NGSS.MS-PS4-2

What happens if an opaque object, like a wooden board, is placed in front of a beaming light bulb?

• Light does not pass through the board.

• Light bends when it hits the board.

• Light pierces the board and continues to travel.

• Light reverses its direction.

Tags

NGSS.MS-PS4-2

Keisha plays the drums in her class band. Every time she strikes the drums the audience hears the deep beat. The sound that the audience hears is created_____

• by the vibration of the floor on which the drums are placed.

• in the drumsticks as they vibrate every time she strikes the drums.

• due to the vibrations passed through the floor of the hall.

• when the surfaces of the drums vibrate after being struck by the sticks.