Sound and Light
What is Energy
Defined as an ability to do work.
Difference in air pressure cause the air to move, what is this known as.
Wind
What is gravity?
A force that pulls objects toward each other
What is matter?
Anything that has mass and takes up space.
When someone at dinner causes a drink to spill you jump. The spilling of water was a ______ and your jumping was a response.
Stimulus
Gases, liquids, and solids that a wave can go through are known as what?
Medium.
Freezing point of water is 32 degrees F, what is it in C
0 degrees.
distance/time= what?
Speed
Ice in a cup melts after a time
Gold melts after a time
and plastic melts after a time
They all melt after a certain temp. known as what
Melting point
The 3 domains of life are BACTERIA, ARCHAEA, AND EUKARYA.
EUKARAY has protists, fungi,_1___, and __2__
2: plants/animals
What is a compression on a wave?
The point where the wave is close together is called a compression.
Beluga whales eat Arctic cod and benthos, while Arctic cod eat silversides and animal plankton, while animal Algae eat Algae Plankton, this energy transfer is known as what.
Food web.
When you stretch a rubber band you give it
Kinetic energy
electrical energy
potential energy
or chemical energy
Potential energy
Protons and Neutrons are the opposite of each other. What do they both do.
Proton has a positive charge
Neutron has a negative charge
What is Fungi?
Mold, mushrooms, and mildew.
If the wavelengh is 3 and the frequency is 5 what is the speed? Why?
F=S/W
W=S/F
15 m/s because if
F=S/W
W=S/F then S=W*F
Why is SALINITY bad for some ocean animals who can't go in the DIRTY ocean?
Because when fresh water fish enter the ocean they aren't used to the salt, which means they die if they don't leave soon.
A conductor is a material through which charge can flow easily. Copper is a conductor but rubber isn't, what is it?
Insulators.
You and a friend walk past a market that sells apples for 40 cents and pears for 50 cents, You have 45 cents and want an apple, your friend also has 45 cents but wants a pear, you give her 5 cents and that means you both can get what you want. This models what happens with what?
Atoms.
A tiny nonliving particle that enters and then reproduces inside a living cell is called what?
Virus
A disturbance that travels through a medium as a longitudinal wave is....
Sound
Where is most of earths water supply found?
Ice sheets
Net force determines if and how an object will accelerate.
If their is a box between me and k and I give out 20n to the right and k gives out 10n to the left. what is the overall Net force with the direction it is goint.
10n to the right.
What are the 2 changes in matter
1: physical change is any change that alter the form or appearance of a substance but does not change it into another substance. Physical properties of the material may be altered but the CHEMICAL composition remains the same. 2: is what?
2: Chemical change
A lions Gestation period is 100 days. Assuming the larger the animal the longer gestation period. What is an African elephants? Hint: Longer than 9 months and shorter than 23 months.
22 months