All of the following are quantitative observations in a chemistry experiment except for:

Bubbling and fizzing occurred when Solution A was applied to the powder

Which of the following could be a hypothesis for a plant growth experiment?

If tomato plants are grown under red light, then they will grow more tomoto

What is a dependent variable?

A variable that the scientist measures; for example the time the tape holds

Joel claims that "Bright White Toothpaste" removes tooth enamel stains better than all other brands. What supports this?

The shade of teeth before and after brushing

An assertion; a statement believed to be true

Scientific data used to support the claim

What is a hypothesis?

The expected outcome of an experiment

What is qualitative data?

Data that is not measurable; collected by using senses

A statement that connect the evidence to the claim

What is an independent variable?

A variable that the scientist changes; for example gorilla tape or ducttape

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Claim Evidence Reasoning & the Scientific Method Vocab Review

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Questions 17

Answers

1
All of the following are quantitative observations in a chemistry experiment except for:
The temperature rose to 85 degrees Fahrenheit during the chemical reaction
The starting volume of Solution A is 40 mL
Bubbling and fizzing occurred when Solution A was applied to the powder
10 g of powder remained after the chemical reaction
2
What is a controlled experiment?
A scientific experiment
A variable that the scientist changes; for example the time the tape holds
A variable that the scientist measures; for example the time the tape holds
3
A ________ is an educated guess or prediction for an experiment.
Observation
Inference
Hypothesis
Question
4
Which of the following could be a hypothesis for a plant growth experiment?
The average “white light” plant produced 8 ripe tomatoes over a 90 day peri
If tomato plants are grown under red light, then they will grow more tomoto
Red-colored light enhances tomato plant growth
Suspend bulbs 30 cm over tomato plants
5
What is a dependent variable?
A variable that the scientist measures; for example the time the tape holds
A scientific experiment
A variable that the scientist changes; for example gorilla tape or ducttape
6
How must a hypothesis be written?
If-Then statement
A guess
7
Joel claims that "Bright White Toothpaste" removes tooth enamel stains better than all other brands. What supports this?
The size of tooth
The shade of teeth before and after brushing
The type of toothbrush used to brush teeth
The amount of toothpaste used
8
What is a claim?
Scientific data used to support the claim
The expected outcome of an experiment.
A statement that connect the evidence to the claim
An assertion; a statement believed to be true
9
What is Evidence?
Scientific data used to support the claim
A statement that connect the evidence to the claim
An assertion; a statement believed to be true
The expected outcome of an experiment.
10
The statement “Flex Tape is a super-strong" is an example of:
Evidence
A hypothesis
Reasoning
A claim
11
What is a hypothesis?
A statement that connect the evidence to the claim
Scientific data used to support the claim
An assertion; a statement believed to be true
The expected outcome of an experiment
12
What is qualitative data?
Measurable data collected with instruments
Data that is not measurable; collected by using senses
13
Adding fertilizer makes the plants grow taller. What is the dependent variable in this situation?
The plant height
Adding Fertilizer
The size of the plant pot
14
What is reasoning?
A statement that connect the evidence to the claim
An assertion; a statement believed to be true
The expected outcome of an experiment.
Scientific data used to support the claim
15
2 plants have the same soil, sunlight, & water. What are all these variables called?
Independent Variables
Dependent Variables
Controlled Variables
Data
16
In a controlled experiment more than 1 independent variable should be changed in order to conduct an accurate experiment
False
True
17
What is an independent variable?
A scientific experiment
A variable that the scientist measures; for example the time the tape holds
A variable that the scientist changes; for example gorilla tape or ducttape

Claim Evidence Reasoning & the Scientific Method Vocab Review Flashcards | StudBud