Science midterm

someone concerned with the development of aircraft and spacecraft

This is drag or a force acting opposite to the motion of the object

This is a limitation or restriction

This the weight the parachute carries

A variable is

This connects the canopy to the load

The Engineering and design process consist of four steps which are

When the earth spins on its ----------it---------around the sun

It takes the earth --------------or----------to complete a full rotation

The tilt of the earth and the revolution of the earth around the sun causes changes in ------------------

About -------------of earths surface is covered in land

Most of the earths water is

The --------- path on which the earth revolves is called ------------

This is a rocky mass up to several km wide that rotates around the sun.

Earth takes about 365 days to------------around the sun

This is the force of attraction that exists between two object

A frozen mass of ice orbiting the sun is called a

This is the imaginary center line which the earth rotates

The sun and all the bodies make up the

An object in orbit with another object is called a

---------------is an indication of the fraction of the moon that is illuminated as seen from earth

A full orbit of an object around another object is called a

some ----------------of a piece of wood are how strong it is and how smooth it is

Some-----------------that can be used to make roads are concrete ,flat rocks tar and gravel

------------------is any thing that people make to solve a problem

When you use --------------a chair you need to think about how big and how strong it needs to be

-------------------are people who use math science and imagination to solve problems tomeet human needs and wants