ScienceUnit1Lsn1

Rochelle wants to build a better rake. How can she follow the design process?

• buy a new rake

• plan a new design

• tell a friend about it

Leo does these steps:

• folds paper into shape of airplane

• throws paper

• sees how far paper flew

• folds another paper into an airplane

• repeats steps 1-3

What is Leo testing?

• paper airplane designs

• how high he can throw paper

• how many times he can fold paper

Kia's brother is playing under the sink. He should not play under the sink. Kia wants her brother to be safe. What problem does Kia need to solve?

• how to teach her brother to walk

• how to stop her brother from crawling

• how to stop her brother from opening cabinets

The picture shows engineers looking at a building. What problem are the engineers solving?

• Our town needs a better bridge.

• Our town needs a better school.

• Our town needs a better playground.

The picture shows a boy using a tool. What does the tool help him do?

• scratch a person's back

• stir food that is being cooked

• reach objects placed in high spots