Vocabulary
What is matter?
If an element has two letters for its symbol, the first is always ___________ and the second is always _________.
capitalized, lower-case
What is the unit used for density?
What is "grams/cm3""or grams/mL"?
What are the three most common states of matter?
Solid, Liquid, gas
The cell structure that stores water and other materials for the cell.
What is "a vacuole"?
DAILY DOUBLE!!!! A CORRECT ANSWER IS WORTH DOUBLE THE POINTS!!!!!!
The simplest pure substances
What is "element"?
In a chemical formula, the small number written after an element is called a __________________
subscript
The definition of density.
What is the "amount of a matter in an object of a given volume" or "mass/volume"?
As thermal energy increases, ______ energy increases.
What is kinetic?
Discovered and named cells "cells".
Who is "Robert Hooke"?
A property that can be identified, observed, or measured and does not rely on testing if the material reacts with another substance (e.g., color).
What is "physical property"?
DAILY DOUBLE!!!! A CORRECT ANSWER IS WORTH DOUBLE THE POINTS!!!!!!
A subscript tells you how many _______ are in a compound.
What are atoms?
A sample of iron measures 2cm x 2cm x 2cm. If the mass is 94g, what is the density of iron?
11.75grams/cm3
As the particles of a substance gain thermal energy they move closer to/farther apart.
farther apart
DAILY DOUBLE!!!! A CORRECT ANSWER IS WORTH DOUBLE THE POINTS!!!!!!
The way you read the arrow in a chemical equation.
What is "yields"?
The flexibility of a material.
What is "malleability"?
In one molecule of C6H12O6, how many atoms are there?
What are 24?
An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water that measured 2mL. The height of the water rose to 7mL. If the mass of the stone was 25 g, what was its density?
5 grams/cm3
If you wanted to increase the kinetic energy of a substance, what would you do?
What is, increase the thermal energy?
The three products of cellular respiration.
What are water vapor, ATP and carbon dioxide?
What is "solubility"?
In one molecule of Li2SO4, how many elements are there?
What are 3? Li, S, O
Silver has a density of 10.5 grams/cm3 and gold has a density of 19.3grams/cm3. Which would have greater mass, 5 cm3 of silver or 5cm3 of gold?
What is "Gold"?
The state of matter that takes the shape of its container.
What is a "liquid"?
A green, photosynthetic pigment found in the chloroplasts of plants, algae, and some bacteria.
What is "chlorophyll"?