What is the average weather in a place over time?
Options:
- (A) mild
- (B) Summer
- (C) deserts
- (D) acclimate
- (E) seasons
- (F) climate
- (G) temperature
- (H) climatic
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Let's think first: Climate is the average weather in an area over a long period of time. Eilat is the safest place in the area. Climate is the average weather in a place over a long period of time.... So the answer is [(F)]

What is the process of breaking down food proteins into energy or heat?
Options:
- (A) dissecting
- (B) dehydration
- (C) elimination
- (D) energy
- (E) digestion
- (F) Cooking
- (G) calorie retention
- (H) Evaporation
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Let's think first: Digestion is the process of breaking down food into components the body can absorb. Food proteins are changed into energy or heat to be used or absorbed by the body. Digestion is the process of breaking down food proteins into energy or heat.... So the answer is [(E)]

Viruses are so small that to see them a scientist would have to use what kind of lens?
Options:
- (A) Refract it
- (B) refraction of light
- (C) an electron lens
- (D) an image
- (E) rays or beams
- (F) bending light rays
- (G) A computer
- (H) flashlights
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Let's think first: Viruses are so small that they can be seen only with an electron microscope. On the surface of each microscopic color filter is also a microscopic lens. Viruses are so small that they can be seen only with an electron lens.... So the answer is [(C)]

What are endothermic vertebrates with legs?
Options:
- (A) Birds
- (B) mammals
- (C) Snakes
- (D) ducks
- (E) Lizards
- (F) ants
- (G) long
- (H) toads
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Let's think first: Birds are endothermic tetrapod vertebrates. Legs define Tetrapods. Birds are endothermic vertebrates with legs.... So the answer is [(A)]

What is the process by which organisms give rise to their young?
Options:
- (A) Summer
- (B) cell division
- (C) autumn
- (D) Plants growth
- (E) peachleaf willow
- (F) ejaculation
- (G) reproduction
- (H) mating rituals
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Let's think first: Reproduction is the process by which organisms give rise to offspring. Fetus is Latin for offspring or young one. Reproduction is the process by which organisms give rise to their young.... So the answer is [(G)]

What enables bones to perform movement?
Options:
- (A) contraction
- (B) Energy
- (C) sensory neurons
- (D) looseness
- (E) Chemical energy
- (F) Vibrates
- (G) fur and fat
- (H) layers of fat
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Let's think first: Muscles can only contract. Bones work with muscles to perform movement. Contraction enables bones to perform movement.... So the answer is [(A)]