Which planet is closest to the Sun?
A. Venus
B. Earth
C. Mercury
D. Mars
C. Mercury
What is the basic unit of heredity that carries traits from parents to offspring?
A. Cell
B. Gene
C. Organ
D. Protein
B. Gene
Which organ pumps blood throughout the body?
A. Lungs
B. Heart
C. Stomach
D. Brain
B. Heart
Where should you look to find the materials needed for today's activity?
A. The teacher's personal desk
B. The designated classroom supply area
C. Another student's backpack
D. Outside the classroom
B. The designated classroom supply area
What is matter?
A. Anything that has mass and takes up space
B. Only things that are alive
C. Only liquids
D. Anything that produces light
A. Anything that has mass and takes up space
What is the name for a large, round object that orbits the Sun and has cleared its orbit of other debris?
A. Moon
B. Planet
C. Asteroid
D. Comet
B. Planet
What molecule carries genetic instructions in living organisms?
A. Water
B. Glucose
C. DNA
D. Oxygen
C. DNA
Which body system helps you breathe and brings oxygen into the body?
A. Digestive system
B. Skeletal system
C. Respiratory system
D. Nervous system
C. Respiratory system
After using a microscope, where should it be placed?
A. Left on the student desk
B. On the floor
C. Back in its designated storage area
D. Anywhere there is space
C. Back in its designated storage area
What are the three common states of matter?
A. Hot, warm, and cold
B. Solid, liquid, and gas
C. Atom, cell, and tissue
D. Rock, water, and air
B. Solid, liquid, and gas
Which planet is known for its prominent rings?
A. Mars
B. Saturn
C. Venus
D. Mercury
B. Saturn
A pea plant has one tall allele (T) and one short allele (t). If tall is dominant, what will the plant look like?
A. Tall
B. Short
C. Half tall and half short
D. Neither tall nor short
A. Tall
Which organ is the main control center of the nervous system?
A. Brain
B. Heart
C. Kidney
D. Liver
A. Brain
Where should you look to find important classroom safety information?
A. Designated safety area/posters
B. Inside your backpack
C. Under your desk
D. In the hallway
A. Designated safety area/posters
Which state of matter has a definite shape and volume?
A. Gas
B. Liquid
C. Solid
D. Energy
C. Solid
What causes day and night on Earth?
A. Earth revolving around the Sun
B. The Moon orbiting Earth
C. Earth rotating on its axis
D. The Sun moving around Earth
C. Earth rotating on its axis
What term describes an organism that has two different alleles for the same trait, such as Tt?
A. Homozygous
B. Recessive
C. Heterozygous
D. Phenotype
C. Heterozygous
Which two body systems work together to deliver oxygen to your cells?
A. Digestive and skeletal
B. Respiratory and circulatory
C. Nervous and digestive
D. Muscular and skeletal
B. Respiratory and circulatory
You finish using science equipment during a lab. Where should it go?
A. Leave it at your table
B. Take it home
C. Return it to its designated location
D. Put it on the teacher's chair
C. Return it to its designated location
What happens when ice melts?
A. A solid changes into a liquid
B. A liquid changes into a gas
C. A gas changes into a liquid
D. A liquid changes into a solid
A. A solid changes into a liquid
Which dwarf planet is located in the asteroid belt between Mars and Jupiter?
A. Pluto
B. Ceres
C. Eris
D. Neptune
B. Ceres
Why does a child inherit approximately half of their genes from each parent?
A. Only the mother's genes are copied
B. Each parent contributes one set of chromosomes through a gamete
C. Children create their own chromosomes after birth
D. The father's genes determine which genes the mother contributes
B. Each parent contributes one set of chromosomes through a gamete
After nutrients are absorbed by the digestive system, which system transports those nutrients to cells throughout the body?
A. Respiratory system
B. Skeletal system
C. Circulatory system
D. Nervous system
C. Circulatory system
You need an item during a lab but don't know where it is located. What should you do FIRST?
A. Start opening cabinets without permission
B. Take one from another group
C. Check the designated supply area or ask the teacher
D. Skip that part of the lab
C. Check the designated supply area or ask the teacher
Which of the following is an example of a gas?
A. Ice cube
B. Water in a cup
C. Oxygen in the air
D. A rock
C. Oxygen in the air