WorksheetsOpenSciEd 6.5
Total questions: 25
Worksheet time: 25mins
The three states of matter are:
solid, gas, energy
gas, liquid, solid
plasma, liquid, energy
If a substance is less dense than water it will...
float
sink
combine with water
When electricity was ran through water, what gasses were released?
water vapor and oxygen
hydrogen and sodium
oxygen and hydrogen
water vapor and hydrogen
What is this in molecular formula?
3water
3H₂O
H3O3
3O6H
List the steps of the scientific method
Conduct experiment
Form a hypothesis
Draw conclusions
Communicate results
Ask a question
Analyze results
How many atoms of sodium are in this molecule?
3
6
5
0
Matter and energy can flow into and out of a/an...
atom
molecule
closed system
open system
When you combine citric acid, baking soda, and water...
Atoms randomly change into different atoms
Hydrochloric acid is released
Argon gas is released
the molecules rearrange into new substances
When energy was added to water with heat, it created...
Carbon dioxide bubbles
oxygen gas
hydrogen gas
water vapor
Flammability is a ______ of a substance.
good time
property
character
Matter cannot be _____ or ______.
created, destroyed
changed, destroyed
energy, changed
flipped, flopped
Gas exchange is needed to supply _____________ to cells and remove __________________
carbon dioxide; oxygen
oxygen; food
oxygen; carbon dioxide
carbon dioxide; water
The air sacs that are covered with capillaries where gas exchange takes place.
Bronchi
Trachea
Oxygen
Alveoli
How does oxygen get into the blood?
it enters through the villi in the small intestine
it enters through the alveoli in the lungs
it is created during cellular respiration
What are the reactants in this chemical equation?
villi and alveoli
water and energy
glucose and oxygen
blood and cells
What are the products in this chemical equation?
villi and alveoli
water, carbon dioxide, and energy
glucose and oxygen
blood and cells
When a person like Amaya burns glucose, where do the product molecules of CO2 and H20 go?
out of the body through sweat
out of the body through pooping
out of the body through breathing
turned into muscle
What's the difference between starch and glucose?
Starch is a type of protein and glucose is a sugar
Starch is made up of many glucose molecules bonded together
Glucose is made up of many starch molecules bonded together
Glucose is a type of protein and starch is a sugar
Why do molecules in the small intestine seem like they are disappearing?
The molecules are getting absorbed into the blood
The molecules are returning to the stomach
The molecules are going to the large intestine
The molecules are broken down and no longer exist
What does COMPLEX CARBOHYDRATES (starch) turn into when it is chemically broken apart?
Glucose
Fatty Acids
Amino Acids
Fiber
What is the primary focus of OpenSciEd 6.5?
Physics concepts
Biology experiments
Chemistry reactions
Earth science phenomena
Which of the following is a key component of the OpenSciEd 6.5 curriculum?
Understanding ecosystems
Exploring chemical reactions
Studying the solar system
Learning about human anatomy
In OpenSciEd 6.5, students learn about the conservation of mass. Which statement best describes this concept?
Mass can be created and destroyed
Mass is conserved in chemical reactions
Mass is only conserved in closed systems
Mass changes with temperature
OpenSciEd 6.5 includes experiments on chemical reactions. What is a common indicator of a chemical reaction taking place?
Change in color
Change in shape
Change in size
Change in texture
How does OpenSciEd 6.5 approach the teaching of chemical equations?
By memorizing equations
By balancing equations
By ignoring equations
By simplifying equations
