Unit 1 Review

How many changes can be made in an investigation at one time?

• One
• Two
• Three
• Unlimited

What science tool measures height and distance?

• Ruler
• Microscope
• Telescope
• Thermometer

When doing a science investigation, how many times must you repeat your tests?

• Once
• Twice
• At least 3 times

Tags

NGSS.MS-PS2-2

What is a Mixture?

• 2 or more substances that can be separated and retain their properties

• A single substance that is not combined

• 2 or more substances in a mixture where you cannot see their different properties.

What is a Solution?

• the stuff that does the dissolving

• 2 or more substances in a mixture where you cannot see their different properties.

• 2 or more substances that can be separated and retain their properties.

True or False: A solution is always a mixture, but a mixture isn't always a solution.

• True
• False

What are some examples of a mixture?

What is an example of a solution?

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

What are some of the physical properties of matter you may use to separate different mixtures?

• Size

• State of Matter (solid, liquid, gas)

• magnetism

• Density (Sink or Float)

• All of the above

True or False: Some different ways to observe matter include ...

-Measured Volume and Mass

-Length and Width

-Using your senses and tools

• True

• False