Radz Science Unit 2 3rd Grade

What is the MAIN goal of the design process?

• to write reports

• to make protoypes

• to make charts and graphs

• to find solutions to problems

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What is technology?

• anything made by nature

• anything that costs a lot of money

• anything people make that has no purpose

• anything that people make or do that changes the natural world

Tags

NGSS.MS-ESS3-3

Engineers designed plans to make freezers for food. What MAIN problem did freezing food solve?

• how to keep food fresh

• how to make ice cubes

• how to make ice cream

• how to make it easier to pack food into trucks

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Ayse is building a bridge between two desks for a toy car to drive across. The materials he has are toothpicks, marshmallows, and playing cards. Which material will Ayse MOST LIKELY use to build the base of the bridge?

• marshmallows

• playing cards

• toothpicks

• toy car

Which object in a train station is NOT technology?

• a clock

• a door

• a person

• a scheduling board

How did these students solve the problem of how to get in and out of their tree house?

• They built a rope ladder.

• They built steps on the tree trunk.

• They climbed branches to reach the tree house.

• The built it low so they can reach it from the ground.

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

Engineers designed a machine that will decrease air pollution. What is the MAIN purpose of telling others about this machine?

• to build a prototype

• to gather data about a problem

• to keep people from copying the design

• to help other people solve the same problem

Ar'Miya and Kyla are preparing to build a tree house. Which steps of the design process will they use before they start building their tree house?

• Redesign. Communicate.

• Find problems. Communicate.

• Test and improve a design prototype. Redesign.

• Find problems. Plan and build a prototype.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Khiree builds a paper bridge between two stacks of books. It collapses when he pushes a toy car across it. Which material would NOT help him to improve the bridge?

• markers

• paper

• straws

• tape

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Nevaeh lives in a city with a lot of people but not much land. There is not enough space for each family to have its own house. Which is one way engineers can help solve this problem?

• by identifying not enough land as the problem in the city

• by communicating with other engineers to share the problem

• by designing and building tall buildings that can house many people

• by having people from different families live together in a house

Tags

NGSS.MS-ETS1-1