1st 9weeks Study Guide

Question 0

What’s a meteorologist?

Answer 0

Someone who studies earth’s atmosphere and predicts the weather

Question 1

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

Answer 1

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

Question 2

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?

Answer 2

Use the scientific method to figure it out

Question 3

Three ways a scientist looks for an answer to a question

Answer 3

Research, observation, testing a hypothesis, testing model

Question 4

Name 3 ways science directly affects your life

Answer 4

It saves lives, resources, and the environment

Question 5

What does a science illustrator do?

Answer 5

They draw scientific illustrations that help you understand things better

Question 6

How do engineers use technology?

Answer 6

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

Question 7

What’s a prediction?

Answer 7

An educated guess/ what a scientist thinks will happen

Question 8

What must you do after you have data?

Answer 8

You must have an analysis of the data that you collected

Question 9

What is the relationship between an experiment and a hypothesis?

Answer 9

An experiment tests a hypothesis to support or disapprove a hypothesis

Question 10

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

Answer 10

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.

Question 11

What is the conceptual model?

Answer 11

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

Question 12

What a model?

Answer 12

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

Question 13

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.

Answer 13

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

Question 14

How is a theory different from a law?

Answer 14

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

Question 15

What’s a theory?

Answer 15

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

Question 16

How are science and mathematics used in engineering.

Answer 16

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

Question 17

Describe the steps of the engineering design process

Answer 17

Ask, imagine, plan, create, improve

Question 18

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Answer 18

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Question 19

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

Answer 19

True

Question 20

Charles law, direct or inverse?

Answer 20

Direct

Question 21

Boyle’s law, direct or inverse?

Answer 21

Inverse

Question 22

Evaporation can occur at any temperature, true or false?

Answer 22

False

Question 23

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

Answer 23

False

Question 24

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

Answer 24

True

Question 25

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

Answer 25

It changes

Question 26

Why did Dalton think that elements were composed of single atoms

Answer 26

Because elements combine to form compounds