A force that attracts things toward the center of the earth.

The water from the lake or sea transforms into vapor or steam through the heat of the sun.

Use of the Past form: Choose the correct use of the verb in each sentence. We (ride, rode) a huge airplane with comfortable seats.

generous

clouds get heavy, causes these water droplets in the clouds to fall back to earth in the form of rain.

Identify if the given statement is fact or opinion: Two trains collided head-on just outside Amsterdam on Saturday.

Use of Simple Present Tense: Choose the correct use of the verb. Dad (take, takes) a warm bath every night.

Identify if the given statement is fact or opinion: Maybe everyone who witnessed the incident was horrified.

Identify if the given statement is fact or opinion: The accident happened at around at 6:30 pm. When the train leaving Amsterdam a high-speed train.

Use of Simple Present Tense: Choose the correct use of the verb. Marco and Carlo (play, plays) football often.

happens when gas changes back to liquid. These water droplets form the clouds.

Use of the Past form: Choose the correct use of the verb in each sentence. We finally (reach, reached) Vienna half past nine in the morning.