Science Unit 1 Review

What is science?

• The study of the natural world through observation and tests

• The study of the human body

• The study of history

• The study of mathematics

What is an experiment?

• A fair test of a question or idea that is often a part of an investigation

• A type of musical instrument

• A type of food

• A type of clothing

Tags

NGSS.MS-PS2-2

What is a hypothesis?

• A possible explanation or answer that an experiment may test

• A type of plant

• A type of vehicle

• A type of building

Match the following vocab words to their definitions

• technology

• n. the use of science for a practical purpose

• dependent variable

• n. the use of science to design new products or structures

• engineering

• n. the variable that could change in response to the independent variable

Tags

NGSS.MS-ETS1-4

Match the following vocab words to their definitions

• prototype

• n. an example of a new product, often used to test the ideas for the product

• dependent variable

• n. the variable that could change in response to the independent variable

• independent variable

• n. the variable in an experiment that is not changed by other variables

Tags

NGSS.MS-PS3-4

Match the following

• model

• n. a limited copy of a real object or process

• investigation

• n. a planned, thorough set of experiments for gathering information

• system

• n. a group of parts that work together to complete a task

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS1-3

Which three steps are part of a typical science investigation?

Select the three correct answers.

• • staging a vote for the best explanation

• • stating a hypothesis, or possible explanation of observations

• • asking questions about observations

• • accepting only the measurements that support the hypothesis

• • testing an explanation with an experiment

This line graph shows the high temperature for a town during one week.

What trends in temperature does this graph show?

Drag and drop the words in the boxes to correctly complete the sentences.

From Sunday to Wednesday, the temperature ​ (a)   , Then from Wednesday to Saturday, the temperature ​ (b)  

• increased
• decreased
• stayed the same

Tags

NGSS.MS-PS3-4

Match the following

• Bar Graph

• 
• Line Graph

• 
• Pie Chart

• 

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Drag and drop to correctly classify each question or problem as scientific, meaning it is testable, or nonscientific, meaning it is not testable.

Groups:

(a) Scientific

,

(b) NONscientific

• Are escalators better than elevators?

• Does changing the height of a ramp affect the speed of a ball rolling down the ramp?

• Does the amount of sunlight affect plant growth?

• Which make better pets, iguanas or turtles?

• What objects are attracted to a magnet?