
Chemical Changes Post Test Review
Presentation
•
Science
•
7th Grade
•
Medium
+5
Standards-aligned
Calita Zampty
Used 7+ times
FREE Resource
0 Slides • 23 Questions
1
Multiple Choice
Which activity involves only a physical change?
Shredding Paper
Baking a Birthday Cake
Burning Paper
Popping Corn
2
Multiple Choice
True or False: Cellular Respiration is a chemical reaction.
True
False
3
Multiple Choice
Which of the following examples in evidence of a physical change?
An electrical current splits water into hydrogen and oxygen.
Hydrogen combined with oxygen forms water.
Water changing into ice cubes in the freezer.
Iron exposed to air produces rust.
4
Multiple Choice
Which of the following is an example of a chemical change?
Cutting bananas into pieces
Melting butter in a frying pan.
Folding a paper into a bird.
A nail rusting
5
Multiple Choice
In charging your laptop, which process involves chemical changes?
Going to the google classroom
Plugging in the charger into your laptop
Typing the your password
6
Multiple Choice
In making pancakes, which process involves a chemical change?
Mixing the water, eggs and pancake mix
Adding the bananas and strawberries.
Cooking the pancake mix in the frying pan.
Melting butter on the pancake
7
Multiple Choice
Which action will result in a product with new chemical properties?
Grinding coffee beans
Baking Cookies
Breaking a Mirror
Cutting Bread
8
Multiple Choice
How did the fireworks manufacturer get the rocket to produce three different colors of light?
Same chemical exploded at three different heights
Same chemical burned at three different temperatures
3 Different chemicals that burned in the explosion
9
Multiple Choice
A balanced chemical equation reflects the idea that the mass of the products
Greater than the mass of the reactants
Less than the mass of the reactants
Equals the mass of the the reactants
10
Multiple Choice
Which part of the plant does photosynthesis take place?
Flower
Leaves
Stem
Roots
11
Multiple Choice
Which acitivity happens right after light energy is absorbed by plants?
Plants die
Plant release water into the soil
Oxygen and glucuse is used to make carbon dioxide
Carbon dioxide and water are used to make sugar
12
Multiple Choice
Which organelle is a part of photosysnthesis?
Chloroplasts
Mitochondria
Cell Membrane
Cell Wall
13
Multiple Choice
During the process of photosynthesis, green plants make...
Soil
Sunlight
14
Multiple Choice
Which gas is used by humans in the process of cellular respiration?
Methane
15
Multiple Choice
What process happens within the cells of living organisms and provides energy for frog's body to live and function?
16
Multiple Choice
Based on this diagram, what do plants take in?
Glucose and Oxygen
Carbon Dioxide and Sunlight
Water, Sunlight and Carbon Dioxide
17
Multiple Choice
Every time you exhale (breathe out), your body is getting rid of ....
glucose
protein
carbon dioxide
oxygen
18
Multiple Choice
What are the products of cellular respiration?
water, ATP and carbon dioxide
oxygen and glucose
oxygen and carbon dioxide
oxygen and water
19
Multiple Choice
What are the reactants of cellular respiration?
carbon dioxide and oxygen
water and oxygen
carbon dioxide and water
oxygen and glucose
20
Multiple Choice
Which organelle does cellular respiration happen in?
Nucleus
Mitochondra
Chlorophyll
Chloroplast
21
Multiple Choice
Which organelle does photosynthesis happen in?
Nucleus
Mitochondra
Chloroplast
Cell Membrane
22
Multiple Choice
What is formula for cellular respiration?
23
Multiple Choice
What is the formula for photosynthesis?
Which activity involves only a physical change?
Shredding Paper
Baking a Birthday Cake
Burning Paper
Popping Corn
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