science 6th grade 1st hour Flashcards
ace test (27 cards)
What is the definition of matter?
Matter is anything that has mass and takes up space.
True or False: Light is considered matter.
False
Fill in the blank: The three states of matter are solid, liquid, and ______.
gas
What unit is used to measure force?
Newton
Which of the following is an example of a solid?
Ice
What is the formula for calculating speed?
Speed = Distance / Time
True or False: An object in motion will stay in motion unless acted upon by an unbalanced force.
True
Fill in the blank: The force of gravity pulls objects ______.
downward
What is the term for the amount of space an object occupies?
Volume
Which type of energy is stored in food?
Chemical energy
What is the term for the change of state from liquid to gas?
Evaporation
Multiple Choice: What is the primary source of energy for Earth?
The Sun
True or False: Heat always moves from a warmer object to a cooler object.
True
What is the definition of acceleration?
Acceleration is the rate of change of velocity.
Fill in the blank: The law of ______ states that for every action, there is an equal and opposite reaction.
action-reaction
What is the term for the resistance of an object to change its state of motion?
Inertia
Multiple Choice: Which of the following is a renewable energy source?
Solar energy
What is the unit of measurement for temperature?
Celsius or Kelvin
True or False: Sound can travel through a vacuum.
False
What is the process by which plants convert sunlight into energy?
Photosynthesis
Fill in the blank: The ______ is the basic unit of electric current.
Ampere
What type of simple machine is a lever?
A lever is a type of simple machine.
Multiple Choice: What is the main gas that makes up Earth’s atmosphere?
Nitrogen
What is the term for energy in motion?
Kinetic energy
