Q: Answer the following question given this paragraph: When skeletal muscles contract, bones move. But how do muscles make your bones move? A voluntary muscles usually works across a joint. It is attached to both the bones on either side of the joint by strong cords called tendons. A tendon is a tough band of connective tissue that connects a muscle to a bone. Tendons are similar to ligaments, except that ligaments join bones to each other. Muscles move the body by contracting against the skeleton. When muscles contract, they get shorter. By contracting, muscles pull on bones and allow the body to move. Q: What attaches a muscle to a bone? A:

OPTIONS:
- marrow
- arteries
- veins
- tendons

A: tendons

Q: Answer the following question given this paragraph: The products of photosynthesis are glucose and oxygen. Q: The products of photosynthesis are glucose and what else? A:

OPTIONS:
- carbon
- hydrogen
- nitrogen
- oxygen

A: oxygen

Q: Answer the following question given this paragraph: Look at the wheelbarrow in the Figure below . It is used to carry heavy objects. It consists of two simple machines: a lever and a wheel and axle. Effort is applied to the lever by picking up the handles of the wheelbarrow. The lever, in turn, applies upward force to the load. The force is increased by the lever, making the load easier to lift. Effort is applied to the wheel of the wheelbarrow by pushing it over the ground. The rolling wheel turns the axle and increases the force, making it easier to push the load. Q: What simple machine works with a wheel and axle in a wheelbarrow? A:

OPTIONS:
- pulley
- hammer
- blade
- lever

A: lever

Q: Answer the following question given this paragraph: Ahhhh! A tall glass of ice-cold lemonade is really refreshing on a hot day. Lemonade is a combination of lemon juice, water, and sugar. Do you know what kind of matter lemonade is? It's obviously not an element because it consists of more than one substance. Is it a compound? Not all combined substances are compounds. Someincluding lemonadeare mixtures. Q: Combined substances are either compounds or what? A:

OPTIONS:
- solutions
- concentrations
- combinations
- mixtures

A:
mixtures