Sand
Gravity
Igneous rock
Amber
Friction
Dry scales
Push
Wedge
Weathering
Feathers
Topsoil, subsoil and bedrock
north to south
Changes the effort needed and changes the direction of the force
Metamorphic rock
Lever
Sedimentary rock
Lungs
Carnivore
Pull
Sedimentary rock
Humus
Grow and change, reproduce, respond to environment
Wheel and axle
Imprint
Compound machine
What are the three layers of soil?
What is a machine that is made up of 2 or more simple machines called?
What is a fire-made rock called?
What is the material found in topsoil that was made from things that were once living?
When working with a magnet, how do the poles need to be alligned in order to attract each other?
What does a bird have on the outside of its body?
What is the material called when a fossil forms in tree sap?
What is the force that keeps us on the earth?
What are reptiles covered in?
What is it called when rocks break down into smaller pieces?
What is glass made from?
What is a rock that is made up of mud, sand, tiny pebbles cemented together called?
What is a rock that has change through heating and squeezing called?
What force can slow something down, create heat or allow you to grip something?
How does a lever make work easier?
A door knob is an example of a ___________________.
If a dinosaur made a footprint, what type of fossil is this?
What is the force called when you move something toward you?
What are 3 essential characteristics of living things?
What is the force called when you move something away from you?
What do mammals, reptiles, and birds breathe with?
What is a machine that can split an object called?
What is an animal called that eats meat?
What type of rock is limestone?
What is a machine called that has a bar that turns on a fixed point?
