WorksheetsOpenSciEd 8.5
Total questions: 25
Worksheet time: 25mins
_________ ( _________ ) the genetic material that carries information about an organism and is passed from parent to offspring.
(a)
(a) is the passing of genetic material from parent to offspring.
(a) is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
An allele that is masked ( hidden ) when a dominant allele is present.
(a)
How do muscles move?
Muscles move by expanding and contracting
Muscles move by contracting and relaxing
Muscles do not require proteins to move
Muscles are static and do not move
Muscles are made up of two types of proteins known as?
Actin and
Troponin
Myoglobin
Myosin
What is essential for muscle movement?
Carbohydrates and fats
Vitamins and minerals
Actin and myosin proteins
Calcium and magnesium
What did you realize about the range of musculature in animals?
It decreases with age in all animals
It is identical across all species
It varies widely along with other traits
It is limited to a few species
A trait is ____________.
something your friends give you.
How you fix your hair.
a characteristic that you can see.
Variation is...
DNA
The differences within a trait
A characteristic or feature
The similarities between a trait
The three states of matter are:
solid, gas, energy
gas, liquid, solid
plasma, liquid, energy
What is this in molecular formula?
3water
3H₂O
H3O3
3O6H
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
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
When energy was added to water with heat, it created...
Carbon dioxide bubbles
oxygen gas
hydrogen gas
water vapor
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
What is the primary focus of OpenSciEd 8.5?
Physics concepts
Biology experiments
Chemistry reactions
Earth science phenomena
Which of the following best describes a chemical reaction taught in OpenSciEd 8.5?
A process where atoms are rearranged to form new substances
A process where energy is created
A process where matter is destroyed
A process where molecules are unchanged
In OpenSciEd 8.5, what is a common method used to demonstrate chemical reactions?
Using a microscope
Conducting a titration
Performing a combustion experiment
Observing plant growth
What is a real-world application of the concepts taught in OpenSciEd 8.5?
Designing a bridge
Creating a new alloy
Developing a new medication
Improving water filtration systems
How does OpenSciEd 8.5 encourage students to understand scientific concepts?
Through rote memorization
By conducting hands-on experiments
By reading scientific journals
Through computer simulations
