Sci4 2nd MT Reviewer

Identify whether each of the following are beneficial or harmful changes in matter. Choose Positive if it's beneficial change and Negative if it's a harmful change.

Groups:

(a) Positive

,

(b) Negative

• climate change

• food spoilage

• land pollution

• condensation

• decomposition

• acid rain

• air pollution

• water pollution

• water cycle

• precipitation of the rain

• photosynthesis

• global warming

• melting much of iceberg

Identify the major parts of the brain shown in the image.

a

b

c

Brainstem

Cerebellum

Cerebrum

Identify the different lobes of the brain shown in the image.

a

b

c

d

Temporal Lobe

Frontal Lobe

Occipital Lobe

Parietal Lobe

Identify what hemisphere of the brain is being used in the following situation. (a)   1. Analyzing what is happening before creating a conclusion. (b)   2. Creating a letter to be sent to you teacher. ​ (c)   3. Learning about music. ​ (d)   4. Creating a sketch of the beautiful sunset. ​ (e)   5. Answering your Math periodical exam.

• Right Hemisphere
• Left Hemisphere

Match the different disorders to its proper term.

• Epilepsy

• A disease that gradually destroys the memory and other functions of the brain.

• Migraine

• Mild to severe headaches occurring from time to time confined to one side of the head.

• Dementia

• The result when Alzheimer's disease progresses.

• Alzheimer's Disease

• Marked by episodes of weakened mindfulness, uncontrollable muscle twitching, and convulsions.

Categorize if it's a Physical Change or Chemical Change

Groups:

(a) Physical Change

,

(b) Chemical Change

• toasting a piece of bread

• baking a cake
• decomposing organic matter
• boiling water
• souring milk
• mixing sand and salt
• burning wood
• chopping wood
• melting ice

• exploding fireworks
• digesting food
• fermenting grapes
• rusting iron
• breaking glass
• shredding paper
• dissolving sugar
• freezing water

TRUE OR FALSE

1. ​ (a)   1. A new substance is formed in a chemical change.

2. ​ (b)   2. Breaking a piece of glass is a chemical change.

3. ​ (c)   3. Melting chocolate is a physical change because it can be reversed by cooling.

4. ​ (d)   4. When water freezes to become ice, it is a chemical change.

5. ​ (e)   5. When wood burns, it is a physical change because it turns to ash.

• True
• False

Which is a beneficial effect of change in matter?

• chlorofluorocarbon emmission

• photosynthesis

• acid rain

• food spoilage

What may change when a wood is cut?

• color

• form

• phase

• size

All are functions of the right hemisphere of the brain except:

• Emotional processing
• Spatial awareness
• Language processing
• Visual perception