Safety
True of False
Never remove chemicals or other equipment from the laboratory.
True
The information you gather during an experiment
Data
If an Argon (Ar) has 14 protons, how many electrons does it have?
14
What does the first law of motion state?
An object at rest stays at rest and an object in motion stays in motion, until acted on by an unbalanced force.
What is a bonded in a covalent bond?
True or False
It is okay to pick up broken glass with our bare hands as long as it is placed in the trash.
What are the 5 senses used for observations?
1. Taste
2. Smell
3. Touch
4. Sound
5. Sight
Groups go which direction on the periodic table?
Vertical
What does the 3rd Law of motion state?
For every action there is an equal and opposite reaction.
Safety belts protect people in cars in the event of an accident. Because of Newton’s Laws of Motion, when an impact causes the car to suddenly change its motion, if the people are not wearing a seat belt what will happen to them?
The people in the car will continue to move in the same direction and at the same speed as before the impact.
Which is the best footwear to wear during a lab?
A. Sandals
B. Open-Toed Shoes
C. Closed-Toed Shoes
D. Rainboots
C. Closed-Toed Shoes
A. You take bread out of the bag
B. Place the bread on the counter, take the bread out of the bag.
C. Open the bread.
D. Use the twist tie to open the bag, take out 2 pieces of bread, and place the bread on the counter .
D. Use the twist tie to open the bag, take out 2 pieces of bread, and place the bread on the counter .
What is the subscript in this equation?
3H4O
4
What does the 2nd Law of Motion state?
An objected acted upon with force, will move in the direction of the force.
(To get an object to accelerate it depends on the force and mass of the object.)
What is the equation for the 2nd Law of motion?
Force= mass X acceleration
F= ma
True of False
The pictogram that goes with the hazard flammable, has an image of an flame.
True
What is a hypothesis?
An educated possible answers based on observations that can be tested.
When we have a metal and a non metal bond, they form a _____________ bond.
IONIC
If Mr. Carroll is pulling a wagon to the right with a force of 50N and his brother is pulling the wagon to the left with a force of 50N, what is the net force?
0 N
What is a molecule?
A group of the same atoms bonded together
Hot glass looks the same as Cold glass
True
In order, list the 6 steps to the scientific method
1. Observation
2. Ask a Question
3. Collecting Data
4. Hypothesis & Predicting
5. Experimenting
6. Drawing a Conclusion
What is the total number of atoms for this formula?
4Si2CO6
36
What is inertia?
An object's tendency to stay at rest or resist a change in motion
If an element has an atomic mass of 58 and 36 neutrons, how many protons does it have?
22