Liffe Science Test

Question 1

What does a scientist do

Answer 1

Ask questions, make detailed observations, find answers using tests and question the answers

Question 2

what is evidence

Answer 2

made up of observations a scientist made during an experiment

Question 3

what is an experiment

Answer 3

a test to see if a hypothesis is right or wrong

Question 4

what is modern science

Answer 4

a way of understanding based on evidence, reasoning and repeated testing

Question 5

what are life sciences

Answer 5

study of living organisms and how they interact with each other and their environment

Question 6

name 3 things that make up evidence

Answer 6

1. direct physical observation of something
2. usually something measurable
3. data resulting from an experiment

Question 7

what is a scientific theory

Answer 7

a well established and tested explanation of observations or evidence. It helps us understand our world

Question 8

what is the cell theory (3 things)

Answer 8

1. all organisms are made up of cells
2. cells are the basic unit of an organism
3. cells only come from other cells (life from life)

Question 9

what is the theory of evolution

Answer 9

explains how populations of organisms change over time. explains why there are many types of organisms on earth.

Question 10

what is the goal of science

Answer 10

it helps us answer questions about our physical world. It teaches us we need evidence to explain our observations

Question 11

where do you think the first cell came from

Answer 11

????

Question 12

what do all fields of life science have in common

Answer 12

they all deal with living organisms and how they interact

Question 13

what is the scientific method

Answer 13

a process used to investigate the unknown using observable evidence and testing

Question 14

what are the steps in the scientific method

Answer 14

1. observe.
2. identify a question
3. find out what is already known (research)
4. make a hypothesis
5. test the hypothesis
6. analyze your results
7. communicate your results

Question 15

what are observations

Answer 15

things you notice about an environment using your 5 senses

Question 16

what is research

Answer 16

studying about what is already know about a topic

Question 17

what is a hypothesis

Answer 17

an educated guess that tries to explain an observation. it allows you to make a prediction. It is used to test an idea.

Question 18

what needs to be included in a hypothesis

Answer 18

1. be tested
2. can be proven wrong
3. can be measured
4. provide yes or no answers

Question 19

what does analysis tell you

Answer 19

if your hypothesis is true or false

Question 20

what is the goal of basic science

Answer 20

to understand how things work. It is the source of most new knowledge

Question 21

what is applied science

Answer 21

using scientific discoveries to solve a practical problem. It creates new technologies.

Question 22

what does falsifiable mean

Answer 22

that you can prove something is wrong

Question 23

who invented the basic microscope with lenses over 400 years ago

Answer 23

Zaccarhias Janssen and his son Hans

Question 24

who is the father of microscopy and why

Answer 24

Antoine van Leeuwenhoek, he taught himself to make one of the first microscopes. He discovered bacteria (from the scum of his teeth) and one-celled organisms

Question 25

what is a microscope

Answer 25

a tool used to make things that are small look bigger to the human eye

Question 26

what did Robert Hooke of England do/discover

Answer 26

he looked at a piece of cork under a microscope and saw cells

Question 27

what are other scientific tools besides microscopes

Answer 27

computers, notebooks, radios, inoculation hoods, maps

Question 28

how do life scientists use maps

Answer 28

to show where different organisms live or to learn about the climate of an area. to make observations and predictions

Question 29

what is a scientific model

Answer 29

they are used to show the relationship between different part of an experiment or variable