Test 9/11 Flashcards Preview

7th Grade Science > Test 9/11 > Flashcards

Flashcards in Test 9/11 Deck (30):
1

Tools used to look a small organisms invisible by the naked eye

Microscopes

2

Controlled experiment

Test only one factor at a time by using a comparison of a control group with an experiment group

3

Scientific method steps

Ask a question, Research, form a hypothesis, design experiment, gather and analyze data, conclusion, share results, further research

4

Graph used to display percentages

Circle graph

5

Graph that that shows the average rainfall for the course of several months

Bargraph

6

Graph that best represents a motion traveling overtime

Line graph

7

What is different between groups in controlled experiments

Variable

8

Hypothesis

Educated guess or a testable prediction

9

100 kg

100,000 grams
KHDUDCM

10

Models

Conceptual physical and mathematical

11

Scientists across the world use these measurement systems giving them a common way to share the results

Metric for international system of units

12

Mass of an apple- grams or kilograms

Grams

13

Scientific theory

most logical guess

14

Research based on observations

Qualitative research

15

ReSearch based on numbers

Quantitative research

16

Scientific method

And organize set of investigation procedures used by scientists

17

Life science

The study of living things

18

Model

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

19

Form and function

How something works is related to its structure

20

Scientific inquiry

Involves asking questions about nature and biology and using observations and experiments to answer those questions

21

Reproduction

The ability of an organism to reproduce their own kind or make offspring

22

Energy

Needed for growing moving and reproducing

23

Adaption

Changes in genes in each generation
Lead to inherited traits that help an organism survive and reproduce

24

Biologic systems

Show a combination of parts can form a more complex organization called a system

25

Interactions with environment

As part of an ecosystem, each organism interacts continuously with its environment

26

Regulation

Organisms have the ability to regulate their internal conditions
Body temp

27

Why is it important to have a control group when doing an experiment

Do you know what is causing the effect

28

Why should a hypothesis be testable

Otherwise it is useless

29

How do you interpret interpret a graph

By reading the title in looking at the numbers, bars, and lines
Graph

30

A ____ group would be used when studying the side effects of a new medication, this group would receive no medication

Control