Matter and Density
What measures how much space an object takes up?
Volume
Why: Volume describes the space matter occupies
What do you call a mixture where substances are evenly mixed?
Solution
Why: Solutions have dissolved particles
What force slows moving objects?
Friction
Why: friction resists motion
What circuit has one path?
Series
Why: All electricity flows through one path
What causes day and night?
rotation
Why: earth spins on its axis
What property explains why objects sink or float?
Density
Why: Density compares mass to volume
What substance does the dissolving?
Solvent
Why: The solvent breaks apart the solute
What type of energy is motion?
Mechanical
Why: Mechanical energy includes motion
What circuit has multiple paths?
Parallel
Why: Electricity can flow more than one way.
What causes seasons?
Tilt
Why: Earth's tilt changes sunlight angle
What state of matter has a definite shape and volume?
Solids
Why: Solids keep their shape and size
What substance is dissolved?
Solute
Why: The solute is mixed into the solvent
What energy is stored energy?
potential
why: it is energy waiting to be used
What materials allow electricity to flow?
Conductors
Why: Metals let electrons move freely
What rock forms in layers?
Sedimentary
Why: sediment builds up over time
What state of matter takes the shape of its container?
liquid
Why: Liquids have fixed volume but flexible shape
What mixture can settle or be separated?
Heterogeneous mixture
Why: Heterogeneous mixtures don't stay evenly mixed.
What energy powers batteries?
chemical
why: Batteries store chemical energy
What type of materials blocks light completely?
Opaque
Why: No light passes through
What resource cannot be replaced quickly?
nonrenewable
why: fossil fuels take millions of years.
What state of matter spreads out to fill all space?
Gas
Why: Gas particles move freely
Sand and water is what type of mixture?
Heterogenous mixture
why: The sand settles out.
What energy travels as waves?
Sound
Sound moves through vibrations
What is the bending of light?
Refraction
why: light changes direction in new materials
What is using resources wisely called?
conservation
why: it protects resources for the future