Show:
Metals and sea creatures
forces

Temperature and materials
light
animals and energy
100
best conductor of electricity
What is silver
100
push or pull
What is force
100
the boiling point of water
What is 212
100
light can pass straight through an object, the object is
What is transparent
100
all plant eating animals are known as
What is herbivores
200
metal that is liquid at room temperature
What is mercury
200
force that resist motion
What is friction
200
the point at which a substance changes from a liquid to a gas
What is boiling point
200
bouncing back light
What is reflection
200
largest group of mammals
What is rodents
300
small crustacean; scavenger
What is shrimp
300
amount of matter in an object
What is mass
300
anything that has mass and weight and takes up space
What is matter
300
object does not let light in
What is opaque
300
force moving an object
What is energy
400
metal that is used as a source fro nuclear power
What is uranium
400
attraction that exist between any pair of objects
What is gravity
400
point that solids turn into a liquid
What is melting point
400
bending light
What is refraction
400
devices that convert energy from natural sources into useful work
What is engines
500
mammal that looks like a fish
What is whale
500
force that causes electrically charged objects to either attract or repel each other
What is electricity
500
tendency of gases float away and spread themselves out thinly in their surroundings
What is diffusion
500
object that makes its own light
What is luminous
500
the energy that is released when atoms are either split apart or joined together
What is atomic energy