1st 9weeks Study Guide Flashcards

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0
Q

What’s a meteorologist?

A

Someone who studies earth’s atmosphere and predicts the weather

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1
Q

What do you do if the materials for your experiment are hard to find?

A

Do more research and look for new ideas, resources, and results from someone else’s experiment

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2
Q

Your popcorn does pop when you put it in the microwave. Why did this happen and what steps could you take to help locate this problem?

A

Use the scientific method to figure it out

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3
Q

Three ways a scientist looks for an answer to a question

A

Research, observation, testing a hypothesis, testing model

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4
Q

Name 3 ways science directly affects your life

A

It saves lives, resources, and the environment

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5
Q

What does a science illustrator do?

A

They draw scientific illustrations that help you understand things better

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6
Q

How do engineers use technology?

A

They use technology we already have to develop new technology and improve products

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7
Q

What’s a prediction?

A

An educated guess/ what a scientist thinks will happen

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8
Q

What must you do after you have data?

A

You must have an analysis of the data that you collected

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9
Q

What is the relationship between an experiment and a hypothesis?

A

An experiment tests a hypothesis to support or disapprove a hypothesis

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10
Q

When you are following scientific methods, what is the correct procedure for investigation?

A

There is no correct way because there are many different ways to do things. It’s correct as long as they follow steps and answer a question.

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11
Q

What is the conceptual model?

A

It is a system of ideas or they are sometimes based on making a comparison with familiar things.

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12
Q

What a model?

A

A pattern, plan, representation, or description designed to show the structure or workings of an object system or concept

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13
Q

Give an example of a model using science that is larger than the object represents and an example of a model that is some smaller than the object represents.

A

Cell model is bigger than an actual cell and a dinosaur model is smaller than the actual dinosaur

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14
Q

How is a theory different from a law?

A

A theory is an explanation or WHY something happens and a law is a summary of WHAT happens

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15
Q

What’s a theory?

A

Explanation for some phenomenon, that is based on observations experimentations, and reasonings. It is a summary of many data.

16
Q

How are science and mathematics used in engineering.

A

Scientific knowledge is used to develop new technology and math is used to decide what size ECT to make the technology

17
Q

Describe the steps of the engineering design process

A

Ask, imagine, plan, create, improve

18
Q

.

A

.

19
Q

Pressure in a gas filled container is caused by gas hitting the walls of the container, true or false

A

True

20
Q

Charles law, direct or inverse?

A

Direct

21
Q

Boyle’s law, direct or inverse?

A

Inverse

22
Q

Evaporation can occur at any temperature, true or false?

A

False

23
Q

Boiling occurs only at the surface of a liquid, true or false?

A

False

24
Q

Evaporation is simply a liquid changing into a gas, true or false?

A

True

25
Q

What happens to the temperature of a substance as it changes state?

A

It changes

26
Q

Why did Dalton think that elements were composed of single atoms

A

Because elements combine to form compounds