Unit 3 Week 4 Quiz (Vocabulary/Comprehension

Match the definition with the correct word:

Try to act like something else, or make a copy

• effective

• example

• imitate

• observed

Match this definition to the correct word:

Works well

• effective

• similar

• observed

• imitate

Match the definition with the correct word:

exactly the same

• material

• imitate

• identical

• example

Match the definition with the correct word:

a smaller copy of something bigger

• model

• observed

• imitate

• effective

The stuff used to make something

• material

• observed

• example

• effective

Looked at closely

• material

• identical

• observed

• effective

Alike but not exactly the same

• observed

• effective

• model

• similar

A thing used to show what other similar things are like

(a teacher always gives her students ____ to show them what things are like)

• imitate

• observed

• examples

• identical

What is the main idea of this section from "Big Ideas from Nature"

• Jollbot means jump and roll.

• Grasshopper's legs inspired scientists to create a robot Jollbot that can move in Mars.

• People can't go to Mars.

• People can't go to Mars, so robots go instead and explore Mars and other planets.

Which two key details support the main idea you chose in the question above?

• Scientists need specific Robots to go to Mars since humans can't go there.

• The robot Jollbot moves across bumps and has a design like grasshopper's legs.

• People love to study Mars and they think it's a really interesting planet.

• We have robots in our house like a robot that vacuums the floors.