The type of cell that has a cell membrane and a cell wall.
What is a plant cell?
100
The top layer of the earth.
What is the crust?
100
mass x volume
What is density?
100
The point on a roller coaster with the greatest amount of gravitational potential energy.
What is the top of the first hill?
100
The limitations or restrictions in the engineering design process.
What are constraints?
200
The part of the cell that is know as the control center of the cell.
What is the nucleus?
200
The layer of gases that surround the Earth.
What is the atmosphere?
200
An atom has a nucleus and consists of protons, neutrons and ______________.
What is electrons?
200
The air flowing out of a balloon in one direction pushes the straw on a string in the opposite direction demonstrates this law of physics
What is Newton's 3rd Law?
200
If you are testing the effect of friction on a the speed of a car, you should:
change the ramp height
or
change the surface it ramp
What is change the surface of the ramp
300
The percentage of white flowers if a white flower (WW) is crossed with a purple flower (ww).
What is 100%?
300
The iron center of the Earth.
What is the core?
300
The amount of matter in an object.
What is mass?
300
Kinetic energy depends on mass and _________.
What is speed?
300
If an engineer's first test fails, he/she should _________ and ___________.
Redesign and retest
400
__________ ___________ is the process that led to an increase of diversity in the beak shapes of birds on the Galapagos Islands as a result of birds competing for limited food sources.
What is natural selection?
400
A continuous process in which rocks change from igneous, metamorphic, sedimentary by heat, pressure and erosion.
What is the rock cycle?
400
A pure substance made of only one kind of atom.
What is an element?
400
The 4th planet from the sun.
What is Mars?
400
If you are testing how light affects plant growth, which of the following do you change:
the amount of water you give the plants
the type of soil the plants are in
where they are placed in relation to the light
What is where they are placed in relation to the light
500
A new organism is formed from a single parent through this type of reproduction.
What is asexual reproduction?
500
The current theory for how tectonic plates can move whole continents over time.
What is convection currents?
500
The number of protons in an atom.
What is atomic number?
500
The greater a wave's amplitude, the ____________ it's energy.
What is greater?
500
The educated guess you make to predict the outcome of an experiment.