Test - Scientific method, equipment, measuring Flashcards Preview

Science 7 > Test - Scientific method, equipment, measuring > Flashcards

Flashcards in Test - Scientific method, equipment, measuring Deck (27)
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1

What are tongs used for?

They are used to pick up or hold hot objects.

2

What are goggles used for?

They are used to protect the eyes from flying objects or chemical splashes.

3

What is a beaker?

It is a wide-mouthed container used to transport, heat, or store substances.

4

What is a test tube?

It is a small glass container used to view chemical reactions or to heat small amounts of a substance.

5

What is a triple beam balance used for?

It is a device used to measure the mass of an object or substance.

6

What is a lab coat used for?

It is used to protect the scientist and the scientist's clothes from hazardous or hot chemicals.

7

What is an eye dropper used for?

It is used to dispense a very small amount of liquid.

8

What is a striker used for?

It is used to light a Bunsen burner?

9

What does a ring clamp do?

It attaches to a lab stand and is used to hold a variety of lab equipment.

10

What is a graduated cylinder used for?

It is used to measure volume very precisely.

11

What is a lab stand?

It is used to hold a variety of lab equipment.

12

What is a funnel used for?

It is used to pour liquids into containers with small openings or to hold filter paper.

13

What is a Bunsen burner used for?

It is used to heat objects.

14

What is an Erlenmeyer flask and what is it used for?

An Erlenmeyer flask is a narrow-mouthed container that is used to transport, heat or store substances, often used when a stopper is required.

15

What acronym is used to remember how to convert metric units?

King Henry Doesn't Usually Drink Chocolate Milk
Kilo Hecto Deka Unit Deci Centi Milli

16

What is an independent variable?

An independent variable is what you will be changing in the experiment. Only ONE THING can be changed.

17

What is a dependent variable?

A dependent variable is what will respond to the change in the experiment.

18

What are constant variables?

Constant variables are variables that remain the same each time.

19

What is the meniscus?

The meniscus is the slight curve formed by a liquid when it's in a container. (You measure from the bottom of the meniscus.)

20

What is a hypothesis?

A hypothesis is a possible explanation for something observed. Collected data can support a hypothesis.

21

What is the standard metric unit of length?

Meter

22

What is the standard metric unit of volume?

Liter

23

What is the standard metric unit of mass?

Gram

24

What is the standard metric unit of temperature?

Degrees Celcius

25

What is quantitative data?

It is numerical data. (Hint: Quantity is the amount of something. Quantity and quantitative share the same root word.)

26

What is qualitative data?

It is data that does not use numbers.

27

How is data showed?

It is interpreted and presented in the visual form of a graph so trends can be revealed.