Atoms & Elements
Balancing Equations
Being Scientists
Cells
Physical & Chemical Changes
Property of Waves
100
A substance made up of the same kind of atom is called ____________________.
Element
100
Is sugar (C6H12O6) a compound or an element?
Compound
100
Convert 345 milliliters to liters.
Remember: Kilo, Hecto, Deka, [liter], Deca, Centi, Milli
345 mL = 0.345 L
100
What organelle stores DNA and is the control center for all eukaryotic cells?
Nucleus
100
Butane is a gas at room temperature. It has a boiling point of under 0 degrees Celsius. It has a very low viscosity as well. Butane is very flammable. From the passage above, what is one PHYSICAL property of butane?
Gas at room temperature, the boiling point of under 0 degrees Celsius, or very low viscosity.
100
What kind of wave is this?
Transverse Wave
200
The number of protons is the _____________________.
ATOMIC NUMBER
200
Draw a water (H2O) molecule.
200
What is the volume of this graduated cylinder?
24mL
200
What organelle's job is to take sugar, break it down, and create ATP energy through the process of cellular respiration?
Mitochodria
200
Butane is a gas at room temperature. It has a boiling point of under 0 degrees Celsius. It has a very low viscosity as well. Butane is very flammable. From the passage above, what is the one CHEMICAL property of butane?
Very flammable
200
What kind of wave is this?
Longitudinal Wave?
300
The number of protons and neutrons is the _______________________________.
Atomic Mass
300
How many elements does water (H2O) have?
Two (Hydrogen and Oxygen)
300
Most of the world uses the __________________ which includes grams, meters, and kilometers because it’s easier to convert and is what we will use in the science classroom.
Metric System
300
What organelle takes sunlight and converts it into glucose (sugar) via photosynthesis?
Chloroplast
300
The pH of baking soda is 9, vinegar is 2.4, water is 7, and bleach is 12. Which are acids, bases, and neutral?
Acid: Vinegar
Base: Baking Soda and Bleach
Neutral: Water
300
D. Wave W has a shorter wavelength than wave X.
400
Identify the Element
Beryllium (It has 4 protons)
400
How many atoms are in sugar (C6H12O6)
24 atoms
Carbon=6
Hydrogen=12
Oxygen=6
400
Lujendra Ojha, was born in 1990 in Nepal. He discovered evidence of water on Mars. He is also in a metal band called Gorkha and is a professor at Rutgers. Is he an engineer or a scientist
Scientist
400
What is one organelle a plant cell has but an animal cell does not?
Chloroplast, Cell Wall, or one large Vacuole.
400
If you pour about an inch of vinegar into a flask and fill the balloon with baking soda, then place the balloon over the flask and mix the two substances, there will be a fizzing, and the cylinder will get colder, and the balloon will expand.
Is this a physical change or chemical change?
Chemical Change
400
What kind of wave needs a medium to travel from place to place?
Mechanical Waves
500
Lable the model
A: Electrons
B: Neutrons
C: Protons
500
What are the reactants and products in this chemical change?
Al2O3 → Al + O2
Reactants: Al2O3
Products: Al + O2
500
Rose Amal was born in 1965 in Indonesia. She works in Australia on ways to control water pollution and air quality by developing and creating clean energy technologies. Is she an engineer or a scientist
Engineer
500
If an organism is made up of more than one cell and all the cells have a nucleus is it a _________________.
eukaryotic, multicellular organism.
500
Popcorn pops because each kernel has a tiny bit of water inside it. When the kernels are heated, the water inside heats up to the point where it exerts enough pressure to burst the kernel open. The soft material inside puffs up as it explodes.
Was popping the popcorn a physical change or chemical change?
Physical Change
500
__________ is any substance (solid, liquid, gas) that a wave moves through.
Medium
600
How Many Protons, Neutrons, and Electrons?
Protons: 79
Neutrons: 118
Electron: 79
600
Is this a balance or an unbalanced equation?
C3H8 + O2 → CO2 + H2O
Unbalanced equation
600
In the question below what are the independent and dependent variables?
Does heating a cup of water allow it to dissolve more sugar?
Independent: Temperature of the water measured in degrees Centigrade.
Dependent: Amount of sugar that dissolves completely measured in grams.
600
What is the difference between the chloroplast and mitochodria?
Chloroplast takes in sunlight, CO2, and H2O and makes Glucose C6H12O6 and O2. They can only be found in plants.
Mitochondria take in Glucose C6H12O6 and O2 and makes CO2 and H2O. They are found in plants and animals.
600
What is happening to the molecules at point 1?
The molecules are rigid and vibrating in place (solid).
600
If you increase the frequency of a wave, the wavelength will ____________.
decrease.
700
Make a Model Lithium
700
Balance the equations
______KClO3 → ______KCl + ______O2
2 KClO3 → 2 KCl + 3 O2
700
If you are creating an experiment to answer the question below, what would be the controlled variables?
Does fertilizer make a plant grow bigger?
-The same type of fertilizer
-Same size pot for each plant
-Same type of plant in each pot
-Same type and amount of soil in each pot
-Same amount of water and light
-Make measurements of growth for each plant at the same time
700
Is a cloud alive, never alive, or once alive?
Never Alive
No cells, cannot reproduce, no DNA, no metabolization, no evolution over generations, and cannot maintain homeostasis.
700
What is the melting point of the substance above?
0oC
700
What are the amplitude, wavelength, and frequency?
amplitude = 1
wavelength = 2 meters
frequency = 4.5