What is the magnification of a microscope with an ocular power of 10X and an objective power of 4X?
40X
What does WHMIS stand for?
Workplace Hazardous Materials Information System
How many significant digits are there in this value:
3.14 x 108 km/h
3
What is weather?
Day to day changes in wind, precipitation and hours of sun.
What color does litmus paper turn when dipped into a base?
Describe one of the three major points of Schleiden and Schwann’s Cell Theory.
All living things are made up of one or more cells
All life functions take place in cells, making them the smallest units of life
All cells are formed from pre-existing cells by a process of cell division.
Along the staircase
True or False: accelerated motion is motion that changes either speed or direction
True
What is a biome?
A large scale geographical region with characteristic climate, vegetation and the animal life that is adapted for those climate conditions.
What is an example of a scalar quantity?
Time, Mass, Speed or Distance
True or False: Both plant and animal cells have chloroplast?
False
What are the two products of every combustion reaction?
What criteria must be met in order for work to have occurred?
A force must be applied
The object must move
The movement must be in the direction of the force
What are the three interacting regions of the biosphere?
Atmosphere, lithosphere, and hydrosphere
When is your final exam for science 10?
Wednesday, January 22 from 12pm-3pm
What is a semi-permeable membrane?
It allows only certain things in and keeps others out.
How many electrons would a sodium ion have?
10
What is the difference between fission and fusion?
Fission splits the nucleus and fusion combines the nuclei.
What is the angle of inclination of Earth?
23.5o
What is the function of the mitochondria?
It is the powerhouse of the cell and the site of cellular respiration.
What is the definition of osmosis?
The diffusion of water across a semi-permeable membrane
Balance this chemical equation:
Na(s) + Br2(l) 🡪 NaBr(s)
2,1,2
2 Na(s) + Br2(l) 🡪 2 NaBr(s)
What is the energy transformation of a solar cell?
Light --> Electrical
What is EMR? Name an example?
EMR stands for electromagnetic radiation.
Examples: radio, television, microwave, infrared (heat), visible light, ultraviolet light, x-rays and gamma rays
How old is Miss.Patel?
24