WorksheetsTWIG Module 1 Vocabulary
Total questions: 34
Worksheet time: 17mins
What is a property in science?
A type of experiment
A scientific tool
The characteristics of a substance that can be observed or measured
A unit of measurement
What does the term "observation" mean?
To look at a substance in detail to gather information about it
To ignore details and make assumptions
To guess without looking
To write down random thoughts
What is data?
A type of food
A collection of information
A kind of animal
A musical instrument
Why is data collected?
To make music
To build houses
To sort and understand things
To paint pictures
What is a fair test?
An investigation where all variables are changed.
An investigation where no variables are changed.
An investigation where one variable is changed and the other variables are kept the same.
An investigation where two variables are changed.
What is a claim in scientific terms?
A guess without any proof
An answer to a scientific question based on observation and evidence
A random thought
A question without an answer
What does the word "criteria" mean?
A type of measurement tool
The standard by which something is judged
A list of items to buy
A method of transportation
What is the definition of "design"?
A random idea
A plan or outline showing how something is to be built or carried out
A finished product
A type of art
Which of the following is NOT a step in the design process shown in the diagram?
Define the problem
Collect information
Develop a solution
Paint the design
What is a mixture?
Two materials mixed together
A single pure substance
A type of chemical reaction
A solid material only
What types of materials can be in a mixture?
Only solids
Only liquids
Solids, liquids, or gases
Only gases
What happens when a solid dissolves in a liquid?
It turns into a gas.
It breaks up into small enough molecules to no longer be seen.
It becomes a larger solid.
It changes color.
What is a solution?
A mixture of two solids
A liquid that evaporates
When one material dissolves into another
A gas that turns into a liquid
In a solution, what is typically the solute?
A gas
A solid
A liquid
A vapor
What does the solvent do in a solution?
It evaporates
It dissolves the solute
It turns into a gas
It becomes a solid
What is a chemical reaction?
When substances combine and the atoms rearrange to form new substances.
When substances are mixed but do not change.
When substances are heated but remain the same.
When substances are cooled and stay unchanged.
What is a chemical change?
A change that can be easily reversed
A change that causes a new substance to be formed
A change that does not alter the substance
A change that only affects the appearance
What happens to wood after a campfire?
It turns into water
It becomes a new substance, ash
It remains unchanged
It becomes ice
Can a chemical change be undone?
Yes, always
No, it cannot be undone
Sometimes, depending on the substance
Only if it is a physical change
What is a physical change?
A change in the chemical properties of an object
A change in the physical properties of an object
A change that creates a new substance
A change that involves burning
What happens to wood when it is cut?
It changes color
It becomes a new substance
It turns into smaller pieces
It melts
What is iodine often used for by scientists?
To identify starch
To measure temperature
To test for sugar
To detect salt
What color does a substance turn when iodine is added to it if it contains starch?
Dark blue
Red
Green
Yellow
Why do scientists use vinegar in experiments?
It is a base that can dissolve materials.
It is an acid that can dissolve materials.
It is a neutral substance that creates oxygen.
It is a gas that creates water.
What happens when vinegar is mixed with certain substances?
It creates water.
It creates oxygen.
It creates carbon dioxide.
It creates hydrogen.
What is the chemical formula for carbon dioxide?
CO
CO2
O2
C2O
What type of gas is carbon dioxide?
Colorless and odorless
Colorful and fragrant
Colorless and fragrant
Colorful and odorless
During which process is carbon dioxide formed?
Photosynthesis
Respiration (breathing)
Evaporation
Condensation
What is citric acid?
A type of sugar
An organic compound found in citrus fruits
A kind of protein
A mineral found in rocks
In which fruits can citric acid be naturally found?
Apples and bananas
Grapes and strawberries
Lemons, limes, and pineapples
Peaches and cherries
What is another name for baking soda?
Sodium chloride
Sodium bicarbonate
Sodium sulfate
Sodium nitrate
What is the primary use of baking soda in baking?
To add sweetness
To add color
To cause baked goods to rise or expand
To preserve food
What is the chemical formula for baking soda?
NaCl
Na2CO3
NaHCO3
NaOH
What is the purpose of making a scientific argument?
To guess what might happen in an experiment
To make a scientific explanation (claim) using data (evidence) and reasoning
To write a story about science
To list random scientific facts
