Amplify Science - U2Ch3 Test - 4th Grade

What is one reason scientists would use a model?

• To understand something that is hard to observe

• To make money by selling them

• To have fun drawing a picture

• To understand that science takes time

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

In this SIM, what was one variable we could change?

• We could change how smart the brain was

• We could change the size of the predator's pupil

• We could make the prey fly

• We could change between day and night

Which animal is an example of a predator?

• Elephant

• Shark

• Deer

• Fish

Tags

NGSS.MS-LS2-2

When scientists are doing an investigation, how many variables should they change at a time?

• Zero

• One

• Two

• Three

Tags

NGSS.MS-PS2-2

In this model of an eye, which 2 parts can we label?

• Pupil

• Eyelash

• Light bouncers

• Light receptors

If light travels from a source directly to the predator's eye, will it be able to see its prey?

• Yes, and it will get hungry

• Yes, and it will want to catch it

• No, it will be blinded by the light

• No, it will be too dark

Tags

NGSS.MS-LS1-8

Which word means "to cause light to bounce off a material"?

• Light receptors

• Reflect

• Evidence

• Variable

Tags

NGSS.MS-PS4-2

When scientists write an explanation, they must _____.

• Start at the end and go backwards

• Tell a fun and exciting story

• State an opinion and give evidence

• Tell all the steps in order

Tags

NGSS.HS-LS4-1

What is the function of a pupil?

• To let light into an animal's eye.

• To send information to the brain.

• To help an animal think about how to react.

• To compare new information to memories.

Tags

NGSS.MS-LS1-8

What is the function of light receptors?

• To let light into an animal's eye.

• To reflect light off of a prey.

• To help an animal think about how to react.

• To receive light and absorb light from an environment.

Tags

NGSS.MS-LS1-8