Unit 1

Question 1

A person who asks questions about the natural world

Answer 1

Scientist

Question 2

The study of the natural world

Answer 2

Science

Question 3

information that you gather with your senses (the facts only)

Answer 3

Observation

Question 4

A fair test showing that one thing causes another thing to happen. In each test, you change only one factor, or variable.

Answer 4

Experiment

Question 5

An idea or explanation that can be tested with an investigation

Answer 5

Hypothesis

Question 6

Data gathered during an investigation

Answer 6

Evidence

Question 7

A Statement that is supported by evidence

Answer 7

Claim

Question 8

A statement that explains an observation

Answer 8

Inference

Question 9

To share results of investigations with others

Answer 9

Communicate

Question 10

We used thermometers and found that when the air temperature changed by 5 degrees, a chameleon’s skin color changed.

Answer 10

Evidence

Question 11

Chameleons change color when the air temperature changes.

Answer 11

Claim

Question 12

You smell cheese, bread, and spicy odors, you _____ that you are having pizza for lunch today.

Answer 12

Infer

Question 13

Scientists compare results so they can be sure the data they collected is correct.

Answer 13

Comparing Datat

Question 14

Individual facts, statistics, and items of information

Answer 14

Data

Question 15

A model that has the dimensions of width and length only (a flat figure)

Answer 15

Two-Dimensional model (2-D)

Question 16

Drawings, photographs, maps, models on a computer screen

Answer 16

2-D

Question 17

What type of model requires fewer tools to create, easier to store, takes less time to make?

Answer 17

2-D

Question 18

A model that has the dimensions of length, width, and height (a solid figure).

Answer 18

Three-Dimensional model (3-D)

Question 19

Cone, sphere, model solar system, model skeleton, model of earth’s layers

Answer 19

3-D

Question 20

The model is more like the real thing. You can compare sizes and distances on this model. You can represent something that is too big, too small, too dangerous, or that has too many parts to investigate directly with this model…

Answer 20

3-D