Vocabulary

• at rest: Not moving or being used.
• think of: To look on as (being something specific); consider
• in motion: Moving; not stationary.
• rocket up: To rise or increase very quickly and sharply.
• figure: To appear in a game, play or event
• force: Group of persons trained for military action; army
• strength: Condition of being strong
• amount: Quantity of something
• formula: A mathematical or scientific rule
• explain: To make clear or easy to understand by describing
• direction: When someone tells people what to do
• reaction: Bodily response to a drug or something eaten
• apply: To spread a substance or liquid over a surface
• pretty: Being attractive to the eye in a simple way
• mass: Religious ceremony in some Christian churches
• equal: Same in shape, size, or number
• throw: To use your arm to make something fly in the air
• rest: Time when one relaxes, sleeps, or is inactive
• accelerate: To cause to occur earlier than expected
• object: Something you can see or touch, but is not alive
• inertia: Lack of movement or activity
• depend: Be controlled or determined by (someone/something)
• learn: To get knowledge or skills by study or experience
• act: To behave in a certain way
• multiply: To increase in number by reproducing/having babies
• motion: Suggestion at a meeting
• connect: To associate a thing with something else
• kick: Feeling of enjoyment or excitement
• bring: To take or go with someone to a place
• pull: Act of breathing in smoke, as from a pipe
• change: To exchange one set of clothes for another
• remember: To give someone a gift, e.g. birthday, wedding
• scientist: Person who is trained in a science
• weigh: To balance things against each other
• rocket: Powerful engine that releases hot gases
• action: Something that a person or thing does
• confuse: To make something unclear or hard to understand
• speed: How fast or slow something is or is done
• grass: To betray someone
• acceleration: Increase in the speed or rate of something
• net: Remaining amount after something is taken away
• proportional: Having a size appropriate to the size of another