Unit 3 rates of reactions

Match the following

• new bonds forming

• The substances on the left of the reaction arrow

• Products

• During a chemical reaction, the 1st step is bonds breaking and

• atoms rearranging

• The reaction arrow can be read as

• Yields

• The substances on the right of the reaction arrow

• Reactant

• During a chemical reaction the 2nd step is

Tags

NGSS.MS-PS1-2

Reorder the following three boxes to create a CER statement to answer this question:

Do cats always land on their feet?

• No, Cats do not always land on their feet.

• In order for cats to land on their feet, their whole body must turn right-side-up. When dropped from too close to the ground, they do not have time to turn, and sometimes cannot land on their feet.

• In an experiment, cats dropped from 1 m above the ground landed on their feet 30% of the time, while cats dropped from 3 m landed on their feet 95% of the time.

Which diagram shows a substance with a high temperature?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which diagram shows a substance with a low temperature?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Concentration is a measure of ​ (a)   of a substance is​ (b)   in a liquid or gas. If a substance is​ (c)   it has more stuff dissolved. If a solution has ​ (d)   stuff dissolved it is dilute

• How much
• dissolved
• concentrated
• less
• more
• melted
• density

Given the data in the picture write a CER to answer the question:

What temperature is best for growing bacteria?

Tags

NGSS.MS-LS1-5

The chemical equation below is the equation for photosynthesis, a reaction that STORES energy. In the chemical equation energy should be written on the (a)   side

​ 6 CO₂ + 6H₂O ---> C₆H₁₂O₆ + 6O₂​ ​

Tags

NGSS.MS-LS1-6

Select all the Reactants

• 
• 
• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Select all the products

• 
• 
• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-1

Select the two reactants

• CH4

• 2O2

• CO2

• 2H2O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5