Show:
matter
electricity
light & sound
microorganisms
miscellaneous
100
True or False; on earth, mass and weight are the same thing?
True
100
What is a current that flows in one direction in a circuit.
Direct current.
100
What does the color black do to light?
Abosorbs the light.
100
What is an organism that makes their own food called?
Autotrophs.
100
Why is it important to conserve topsoil?
So plants can grow.
200
What happens to the molecules when the temprature rises?
They move faster.
200
What is an electrical current that constantly changes its direction?
A Circuit breaker.
200
How does light travel?
A straight line.
200
What is any organism that has only one cell and is also the smallest unit of life?
A single celled organism.
200
What is land slippage?
When land moves down the slope in response to gravity.
300
True or false; Volume is measured in cubic centimeters?
True
300
What is the name of the energy stored in an object?
It is potential energy.
300
What kind of energy is light?
Radiant energy.
300
What is the name of the mushrooms that are poisonus and taste bad?
Toadstools.
300
What happens when the transfer of pollen grains go from one flower's anther to the same or different flower's anther?
Pollination happens.
400
What does volume take up?
Space
400
Name something that has potential energy.
A battery, ball, or anything that can be thrown or plugged in.
400
How can we change the pitch of our voice?
By stretching our vocal cords.
400
What does alge have that gives it color?
Chlorophyl
400
What is the green structure in a plant cell where food is produced called?
Chloroplast.
500
What will happen to the temperature if you slow the speed of molecules in a substance?
The temperature will go down.
500
What are the tiny particles that orbit the nucleus of an atom?
Electrons
500
Name at least four things that absorb sound.
Carpet, cloth, styrofoam, furniture, material.
500
What is a spherical bactirum?
A Coccus.
500
What is name of the volcanic rock that can only hold a little gas?
Basalt.