Chemical Changes Post Test Review

Multiple Choice

Which activity involves only a physical change?

• Shredding Paper

• Baking a Birthday Cake

• Burning Paper

• Popping Corn

Multiple Choice

True or False: Cellular Respiration is a chemical reaction.

• True

• False

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.

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

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

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

Multiple Choice

Which action will result in a product with new chemical properties?

• Grinding coffee beans

• Baking Cookies

• Breaking a Mirror

• Cutting Bread

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

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

Multiple Choice

Which part of the plant does photosynthesis take place?

• Flower

• Leaves

• Stem

• Roots

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

Multiple Choice

Which organelle is a part of photosysnthesis?

• Chloroplasts

• Mitochondria

• Cell Membrane

• Cell Wall

Multiple Choice

During the process of photosynthesis, green plants make...

• Soil

• Sunlight

Multiple Choice

Which gas is used by humans in the process of cellular respiration?

• Methane

Multiple Choice

What process happens within the cells of living organisms and provides energy for frog's body to live and function?

Multiple Choice

Based on this diagram, what do plants take in?

• Glucose and Oxygen

• Carbon Dioxide and Sunlight

• Water, Sunlight and Carbon Dioxide

Multiple Choice

Every time you exhale (breathe out), your body is getting rid of ....

• glucose

• protein

• carbon dioxide

• oxygen

Multiple Choice

What are the products of cellular respiration?

• water, ATP and carbon dioxide

• oxygen and glucose

• oxygen and carbon dioxide

• oxygen and water

Multiple Choice

What are the reactants of cellular respiration?

• carbon dioxide and oxygen

• water and oxygen

• carbon dioxide and water

• oxygen and glucose

Multiple Choice

Which organelle does cellular respiration happen in?

• Nucleus

• Mitochondra

• Chlorophyll

• Chloroplast

Multiple Choice

Which organelle does photosynthesis happen in?

• Nucleus

• Mitochondra

• Chloroplast

• Cell Membrane

Multiple Choice

What is formula for cellular respiration?

Multiple Choice

What is the formula for photosynthesis?