1. Bellwork 2.7

2. What type of charge does the nucleus of an atom have?
Monday
If an atom has 8 protons and 8 electrons it is said to be _____________.
The chemical formula for a molecule of sulfuric acid is H2SO4. How many atoms are in the molecule?
What type of charge does the nucleus of an atom have?

3. If an atom has 8 protons and 8 electrons it is said to be neutral .
Monday
If an atom has 8 protons and 8 electrons it is said to be neutral .
The chemical formula for a molecule of sulfuric acid is H2SO4. How many atoms are in the molecule? 7
What type of charge does the nucleus of an atom have? Positive

4. Tuesday
Seven people were asked how many miles they lived from work. The responses were 10, 5, 7, 3, 6, 9 and 13. Find the following
Mean-
Median-
Mode-
Range-

5. Tuesday
Seven people were asked how many miles they lived from work. The responses were 10, 5, 7, 3, 6, 9 and 13. Find the following
Mean- 7.57
Median- 7
Mode- none
Range- 10

6. What puts things into motion?
Wednesday
What puts things into motion?
Forces can be a __________ or ___________ action.
Newton’s First law states: An object at rest stays at ________ and an object in motion stays in ________ unless acted upon by ___________ _________.

7. What puts things into motion? Forces
Wednesday
What puts things into motion? Forces
Forces can be a Push or Pull action.
Newton’s First law states: An object at rest stays at Rest and an object in motion stays in motion unless acted upon by an outside force.

8. What is the formula for speed?
Thursday
An object is in ________________ if it’s distance from another object is changing.
The __________ of an object is the distance the object travels per unit of time.
What is the formula for speed?
If a car is traveling 180 km in two hours the average speed is _______.

9. What is the formula for speed? Speed= distance divided by time
Thursday
An object is in motion if it’s distance from another object is changing.
The speed of an object is the distance the object travels per unit of time.
What is the formula for speed?
Speed= distance divided by time
If a car is traveling 180 km in two hours the average speed is 90km/hr.

10. An airplane traveling west at 300 km/min A cheetah running at 95 m/s
Friday
For 1& 2 determine if it represents speed or velocity.
An airplane traveling west at 300 km/min
A cheetah running at 95 m/s
A train travels 225 kilometers in 2.5 hours. What is the train’s speed?

11. An airplane traveling west at 300 km/min Velocity
Friday
For 1& 2 determine if it represents speed or velocity.
An airplane traveling west at 300 km/min Velocity
A cheetah running at 95 m/s Speed
A train travels 225 kilometers in 2.5 hours. What is the train’s speed? 90 km/hr