Quarter 2 Review

Question 1

If wave I represents x-ray waves, what could wave II represent?

Accepted Answer

Gamma-ray waves

Question 2

Which of the following is a characteristic of theories and laws?

Accepted Answer

based on scientific evidence

Question 3

As a cup of hot chocolate is heated to higher temperature, how do the particles change?

Accepted Answer

They move farther apart

Question 4

Why do some things look black in color?

Accepted Answer

All the light is absorbed

Question 5

a specific relationship under given conditions in the natural world

Accepted Answer

law

Question 6

A bolt of lightning demonstrates which form of energy?

Accepted Answer

light

Question 7

Which of the following is an EM wave?

Accepted Answer

Radio wave

Question 8

Which of these EM waves has more energy than visible light?

Accepted Answer

Ultraviolet rays

Question 9

Which of the following is a characteristic of both scientific laws and theories?

Accepted Answer

based on scientific evidence

Question 10

Which of these best describes a scientific law?

Accepted Answer

A specific relationship under given conditions in nature

Question 11

Sara puts a straw in a glass of water. The straw appears broken. What is the best explanation?

Accepted Answer

Refraction

Question 12

Which of these statements describes a characteristic of all mechanical waves?

Accepted Answer

They travel through media

Question 13

Why do we see a lightning before we hear the thunder?

Accepted Answer

Light travels faster than sound

Question 14

The process of a scientist performing multiple trials of his experiment

Accepted Answer

repetition

Question 15

A thin beam of light shines onto a material and the light refracts. Which picture shows this?

Accepted Answer

B

Question 16

What is being measured if you count the number of ocean waves passing in a set amount of time?

Accepted Answer

Frequency

Question 17

Which of these processes results in the motion of particles in a gas or liquid?

Accepted Answer

Convection

Question 18

Theories can be modified

Accepted Answer

True

Question 19

What is the difference between the colors in the visible light spectrum?

Accepted Answer

They have different wavelengths

Question 20

In the visible part of the EM spectrum, which color has the shortest wavelength?

Accepted Answer

violet

Question 21

Which of these objects reflects almost all of the light that strikes it?

Accepted Answer

White poster board

Question 22

An explanation in science that has a lot of evidence to back it up

Accepted Answer

theory

Question 23

Which is a characteristic of a good scientific investigation?

Accepted Answer

results that can be replicated

Question 24

Which statement best describes an EM wave with a long wavelength?

Accepted Answer

It has low frequency and can travel through a vacuum

Question 25

Radio waves travel light-years through space before reaching Earth. Radio waves are

Accepted Answer

electromagnetic

Question 26

Which statement is true for ALL forms of electromagnetic radiation?

Accepted Answer

They all travel at the same speed in a vacuum

Question 27

What happens to the heat in a lightbulb once it cools down?

Accepted Answer

The heat gets transferred to the air

Question 28

Which of these statements best describes how scientific ideas change?

Accepted Answer

New evidence leads to modification of ideas

Question 29

A proposed explanation that can be tested

Accepted Answer

Hypothesis

Question 30

Which of these answers lists the waves in order of DECREASING frequency?

Accepted Answer

II,III,I

Quarter 2 Review

Questions 30

Quarter 2 Review

Questions 30