Q1 MATTER -REVIEW

What kind of change occurs when photosynthesis happens in plants?

• Physical change

• Chemical change

• Mechanical change

• Physical change and Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A fire alarm goes off while you are conducting an experiment. What is the proper response?

• Continue working until the alarm stops

• Evacuate the lab calmly and follow the school's fire drill procedures

• Try to put out any fires yourself

• Wait for instructions from the teacher before leaving

Cierra is on a camping trip with her parents. They decide to build a campfire to cook their dinner. The burning fire is an example of a —

• A. physical and exothermic change

• B. physical and endothermic change

• C. chemical and exothermic change

• D. chemical and endothermic change

Tags

NGSS.MS-PS1-2

A student conducted an activity with the given experimental set up. He observed that when baking powder is mixed with vinegar, carbon dioxide gas is released in test tube A and the lime water in test tube B turns milky. Which explains the type of changes that occurred in the test tubes?

• Test tube A - physical change, as temperature did not change; Test tube B - physical change, as the color of lime water changed

• Test tube A - physical change, as bubbles were formed; Test tube B - chemical change, as a new substance was formed

• Test tube A - chemical change, as a gas was formed; Test tube B - physical change, as the color of lime water changed

• Test tube A - chemical change, as a gas was formed; Test tube B - chemical change, as a new substance was formed

Tags

NGSS.MS-PS1-2

Which of the following mixtures can be separated using a sieve?

• Water and sugar

• Salt and water

• Sand and gravel

• Oil and water

For separating a mixture of salt and water, what method would be most effective?

• Filtration

• Evaporation

• Chromatography

• Centrifugation

When baking a cake, what kind of change occurs?

• Physical Change

• Chemical Change

• Reversible change

• Evaporation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In cooking, when sugar is dissolved in water to make a syrup, what type of mixture is formed?

• Colloid

• Suspension

• Homogeneous Mixture

Which of the following is a correct procedure for handling chemicals?

• A.     Smell the chemicals to test their properties

• B.     Read the label and follow the instructions carefully

• C.      Mix chemicals together to see what happens

• D.     Use any chemical without proper training

Tags

NGSS.HS-ETS1-3

           Which apparatus is used to measure the volume of a liquid accurately?

• Beaker

• Graduated Cylinder

• Test tube

• Erlenmeyer Flask