LEAP Science 7 Review #2

What type of storm front is this? 

• warm front
• cold front
• stationary front
• occluded front

_____________ air is more dense and tends to sink

• cold
• warm
• moist
• dry

Which of the following models best demonstrates a balanced chemical equation?

• F
• G
• H
• J

When a cold front is approaching, what happens?

• warm air is pushing under cold air causing humid weather and lower temperatures
• warm air is pushing under cold air causing humid weather and higher temperatures
• warm air rises, cools, and causes rain and thunderstorms
• cold air is pushed over warm air causing rain and thunderstorms

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Which type of front is pictured?

• Cold front
• Warm front
• Occluded front
• Stationary front

Is burning wood a chemical or physical change?

• chemical
• physical

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

The reactants are on the left side of the chemical equation.

• True
• False

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical