Show:
force and motion
cells
solar system
rocks and minerals
matter
100
this is a type of force
What is a push or pull
100
these cells cover the outside of a body and protect whats inside
What are skin cells
100
this is the smallest planet in our solar system
What is mercury
100
these are made up by minerals
What are rocks
100
these are the three states of matter
What are solid, liquid and gas
200
this is force that resists motion when two things rub together
What is friction
200
these cells are able to contract and relax
What are muscle cells
200
this is the third planet from the sun
Where is Earth
200
this is the strongest mineral and can cut any other mineral
What is a diamond
200
______ can be all three states of matter
What is water
300
the tendency of an object to resist change when its rest or motion
What is inertia
300
cells need this to live
What is food and oxygen
300
this is the biggest star in our galaxy
what is the sun
300
this is the weakest mineral on Earth
What is talc
300
this happens when heat is added to as solid
What is a liquid
400
this force pulls two objects together
What is gravity
400
these cells have long branches that help send information to and from the brain
What are nerve cells
400
this is the fourth planet from the sun
Where is mars
400
this rock is formed through the cooling of magma or lava
What are igneous rocks
400
this is when water molecules change to a gas
What is water vapor
500
this type of motion travels at constant speed in a straight line
What is uniform motion
500
these are one celled organisms
What are Amoebas, Paramecium and Euglena
500
it takes _____ to revolve around the sun
What is 24 hours
500
this rock is formed by the deposition of material at the Earth's surface and within bodies of water
What are sedimentary rocks
500
these molecules move faster than those in a solid or a liquid
What are gas molecules