Vocabulary

• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• back then: At that time in the past.
• in reality: Actually; in fact; truly.
• on the surface: Appearing to be true or real until examined more closely.
• at the same time: Simultaneously; at the identical moment.
• same time: Occurring simultaneously or at the same point in time.
• together with: In addition to; along with.
• cool down: To become cooler; to reduce in temperature.
• get about: To go out a lot; travel widely
• on earth: Used to emphasize a question expressing surprise or anger.
• on the ground: Located on the surface of the earth.
• going on: To continue doing something
• based on: To use something as the foundation or starting point for something else.
• warm up: To gently exercise muscles before doing sport
• spread out: To extend or stretch over a large area.
• make up: To invent or create a story
• day: A period of 24 hours beginning at midnight
• energy: Physical or mental strength
• receive: To get something someone has given or sent to you
• earth: Wire connecting an electrical device to the ground
• orbit: Path an object takes as it circles another object
• hemisphere: One half of a rounded, ball-like object
• cool: Steady and calm when facing difficulties
• solar: Concerning the sun, or its heat
• pole: One of two opposite ideas, qualities or positions
• warm: To become more friendly or to like something
• tilt: To change to a newly preferred idea or opinion
• north: Direction to your left when facing the rising sun
• revolve: To move something in a circular motion
• northern: In or toward the north
• sky: The place where we see clouds above us