Lab Safety
Type of food that is allowed in the lab
What is none? No food or drinks in lab!
Hypothesis are written in
What is if/then format
This change is reversible
formula for density
what is d= m/v ?
the number on an element square that is usually on the top and are in numeric order
What is atomic number?
Multiple types of PPE
What are goggles, gloves, apron, closed toed shoes, and tied up hair?
Quantitative Data
What is Numbers obtained by counting or measuring?
when a substance combines with another to form a new substance
What is chemical change?
formula for mass
what is m=d*v ?
The horizontal rows on the periodic table
What are Periods
When breaking open an object, we wear this type of PPE
What are Goggles?
Qualitative Data
What is descriptions that involve characteristics that cannot be counted?
This change shows a change in smell and color
What is Chemical change?
formula for volume
what is v=m/d ?
The vertical columns on the periodic table
What are groups?
When glass is broken
What is sweep it up, throw it in the glass bin, and use a non-broken one?
Types of variables in an experiment
What are control, independent, dependent?
Mixtures
What are homogeneous and heterogeneous?
Density can be affected by
What is temperature and pressure?
groups 3-12
What are metals?
Before starting an experiment with a flammable liquid
What is check for the presence of a flame, spark, or heat?
Scientific Method Steps
What is 1. Observation/ ask a question 2. Form a hypothesis 3. Designing a controlled experiment 4. Recording and analyzing results 5. Drawing conclusions ?
What are element and compound?
The density of an object makes it
What is heavier or lighter?
We typically find these on the left of the periodic table
What are metals?