Unit 4 ● Week 4

robot

Key Words

A robot is a machine that can be programmed to do things that people usually do. Robots build cars, lift heavy things, and go into dangerous places. Some robots vacuum floors.

Unit 4 ● Week 4

defective

Key Words

Defective means “having a weakness or something wrong.” A defective item may or may not work properly. It’s not perfect.

Unit 4 ● Week 4

A meteor is a body in space that is made of metal or stone. If a meteor enters the Earth’s atmosphere, it will get hot and shine brightly. When it gets near to Earth, a meteor shoots across the night sky leaving a trail of light.

Key Words

meteor

Unit 4 ● Week 4

Rotate means “turned or moved around on a straight line called an axis.” The Earth rotates from west to east on its axis. The tire on your bike rotates on an axis, too. You can watch the tire go around.

Key Words

rotate

Unit 4 ● Week 4

Staggered means “walked with a swaying, unsteady movement.” When you stagger, you don’t have good balance, You are unsteady on your feet. You wobble and almost fall over.

Key Words

staggered

Unit 4 ● Week 4

Reversed means “went backwards.” If you were walking forward and then reversed your direction, you would have gone back the way you came.

Key Words

reversed

Unit 4 ● Week 4

Dangling means “hanging down or swinging.” If you are dangling your arms, they are swinging loosely by your sides. If you go fishing, you might be dangling a worm on the end of your hook.

Key Words

dangling

Unit 4 ● Week 4

Tokens are small objects that you use as markers when you play a game. Beans, coins, or buttons can be used as tokens. Some games come with tokens that look like house, shoes, or other items.

Key Words

tokens